Clinical Rehabilitation http://cre.sagepub.com The UK FIM+FAM: development and evaluation Lynne Turner-Stokes, Kyaw Nyein, Tabitha Turner-Stokes and Claire Gatehouse Clin Rehabil 1999; 13; 277 DOI: 10.1191/026921599676896799 The online version of this article can be found at: http://cre.sagepub.com/cgi/content/abstract/13/4/277 Published by: http://www.sagepublications.com Additional services and information for Clinical Rehabilitation can be found at: Email Alerts: http://cre.sagepub.com/cgi/alerts Subscriptions: http://cre.sagepub.com/subscriptions Reprints: http://www.sagepub.com/journalsReprints.nav Permissions: http://www.sagepub.co.uk/journalsPermissions.nav Citations http://cre.sagepub.com/cgi/content/refs/13/4/277 Downloaded from http://cre.sagepub.com at King's College London - ISS on February 2, 2010 Clinical Rehabilitation 1999; 13: 277–287 The UK FIM+FAM: development and evaluation Lynne Turner-Stokes, Kyaw Nyein, Tabitha Turner-Stokes and Claire Gatehouse Regional Rehabilitation Unit, Northwick Park Hospital, London, UK Received 20th October 1998; returned for revisions 6th December 1998; revised manuscript accepted 30th January 1999. Background and aims: The aim of this study was to develop and evaluate the UK version of the Functional Assessment Measure (UK FIM+FAM). Design: Before and after evaluation of inter-rater reliability. Development: Ten ‘troublesome’ items in the original FIM+FAM were identified as being particularly difficult to score reliably. Revised decision trees were developed and tested for these items over a period of two years to produce the UK FIM+FAM. Evaluation: A multicentre study was undertaken to test agreement between raters for the UK FIM+FAM, in comparison with the original version, by assessing accuracy of scoring for standard vignettes. Methods: Baseline testing of the original FIM+FAM was undertaken at the start of the project in 1995. Thirty-seven rehabilitation professionals (11 teams) each rated the same three sets of vignettes – first individually and then as part of a multidisciplinary team. Accuracy was assessed in relation to the agreed ‘correct’ answers, both for individual and for team scores. Following development of the UK version, the same vignettes (with minimal adaptation to place them in context with the revised version) were rated by 28 individuals (nine teams). Results: Taking all 30 items together, the accuracy for scoring by individuals improved from 74.7% to 77.1% with the UK version, and team scores improved from 83.7% to 86.5%. When the 10 troublesome items were taken together, accuracy of individual raters improved from 69.5% to 74.6% with the UK version (p <0.001), and team scores improved from 78.2% to 84.1% (N/S). For both versions, team ratings were significantly more accurate than individual ratings (p <0.01). Kappa values for team scoring of the troublesome items were all above 0.65 in the UK version. Conclusion: The UK FIM+FAM compares favourably with the original version for scoring accuracy and ease of use, and is now sufficiently well-developed for wider dissemination. Address for correspondence: Lynne Turner-Stokes, Regional Rehabilitation Unit, Northwick Park Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK. e-mail: [email protected] Downloaded from http://cre.sagepub.com at King's College London - ISS on February 2, 2010 © Arnold 1999 0269–2155(99)CR257OA 278 L Turner-Stokes et al. Introduction and background Method The measurement of outcome in rehabilitation following brain injury poses a number of difficulties. Patients often have complex disabilities, and cognitive and communicative problems not only impede progress in therapy, but are often the major factors limiting return to independence. Measures need to take account of these areas, as well as assessing physical disability. The Barthel Index1 and the Functional Independence Measure (FIM)2 are widely used global measures of disability.3 However, they have failed to gain universal acclaim as outcome measures for brain injury, partly because they are dominated by physical disability and offer only crude assessment for cognitive and psychosocial disability. The FIM+FAM was developed specifically for use in brain injury.4 It does not stand alone, but adds a further 12 items to the FIM which specifically address cognitive and psychosocial issues, while applying the same seven-level scoring system. The latter are inevitably more subjective and difficult to score,5 to the extent that they can undermine the reliability of the scale as a whole.6 It is recommended that the FIM+FAM is scored by a multidisciplinary team. This may help to improve reliability, but makes it somewhat cumbersome for use in routine clinical practice. The UK FIM+FAM Users Group was set up in 1995 to bring together those units who were using the scale in the UK, to ensure consistent scoring between the different centres in order to facilitate sharing of data. The group is co-ordinated by the Regional Rehabilitation Unit at Northwick Park Hospital, and currently includes representative members from over 25 units in the UK. The aims of the group were to explore how the FIM+FAM may be adapted for use as an outcome measure for brain injury rehabilitation in the UK, and to evaluate the UK version of the FIM+FAM in comparison to the original version, prior to dissemination. The group also considered methods of data collation and analysis, and systems for training and updating users which are described elsewhere.7 The UK FIM+FAM is shown in Appendix 1. A brief description of changes to each item is given in Appendix 2. In the development of the UK FIM+FAM, the group sought ways to improve consistency of scoring, especially for the more subjective items. It considered whether any of the FAM items should be modified and if so, which and how. An initial poll of 10 user teams indicated a high level of agreement in identifying items that were particularly subjective and difficult to score in day-to day clinical use. When asked to rank the six items they found most difficult to score, only 10 ‘troublesome’ items were mentioned at all. These are given in rank order in Table 1, and the first five were mentioned by over 80% of users. It was agreed that FIM items could not be changed structurally, as this would compromise the integrity of the UK FIM data, and preclude comparison with colleagues elsewhere in the world. Problem solving and Social interaction are FIM items and so may not themselves be changed. However, the group has identified ‘task batteries’ to improve objectivity of scoring (see Appendix 2). The FAM items are at an earlier stage of development and currently there is no worldwide database. Liaison with the originators of the FAM at Santa Clara Valley Medical Center, USA, confirmed that if changes were shown to improve the reliability/validity of the data, these would be considered for adoption and dissemination at source. The identified troublesome FAM items were reviewed individually by the group and changes initiated to reduce subjectivity. The FIM applies a uniform seven-level scoring system across all 18 items (see Appendix 1). There are undoubtedly problems in extrapolating this concept of an indiTable 1 The 10 ‘troublesome’ items of the FIM+FAM placed in rank order 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) Problem solvinga Adjustment to limitations Emotion Employability Social interactiona Community mobility Safety judgement Attention Speech intelligibility Comprehensiona a Downloaded from http://cre.sagepub.com at King's College - ISS on February 2, 2010 FIM London items. The UK FIM+FAM: development and evaluation 279 vidual performing 25%, 50% and 75% of the FAM items required that some vignettes were task, when the ‘task’ is an area of psychosocial modified to reflect those changes. However only function. For some of these items the group rede- the minimum adaptation was made to reach the fined cut-off points between levels in terms of fre- same correct score so that vignettes remained as quency of intervention, rather than percentage of comparable as possible. In all, 65 raters took part in the study (18 the task performed independently, and this was felt to be easier for staff to rate. Language was nurses (28%), 16 occupational therapists (25%), improved to avoid terms which were poorly 15 physiotherapists (23%), 9 speech and language understood, such as ‘general life functioning’ and therapists (14%), 4 psychologists (6%) and 3 doc‘poseyed’. Decision trees were laid out in a con- tors (4%)). The distribution of disciplines was sistent pattern, with the descriptions of each level simliar for the two rounds, and only five individat the bottom of the page, making it easier to uals took part in both. FIM+FAM rating experirefer to both the decision tree and scoring man- ence ranged from 0 to 54 months (mean 19 months) in the first round and 0–60 months ual during rating. These changes have been systematically (mean 24 months) in the second and was also not piloted and reviewed over a period of two significantly different. Each set of vignettes includes 30 items, so years, and the final UK FIM+FAM was completed in June 1997. Teams reported that they three sets produce 90 item scores. Thirty-seven found the UK version easier to understand and individuals scoring three sets thus produced 3330 use, but formal evaluation of the UK FIM+FAM (37 × 90) item ratings and 11 teams produced 990 was required to demonstrate that the changes item ratings in the first round. In the second had indeed led to an improvement in scoring round there were 2520 individual item ratings and 810 team ratings. Data were collated in accuracy. Wide geographic separation precluded the use Microsoft Excel, and transferred to SPSS for staof real patients for a multicentre inter-reliability tistical analyisis. study, so ‘vignettes’ were used to test accuracy of scoring. The vignettes have been developed by Results the originators of the FAM (Santa Clara Valley Medical Center, USA) for training and testing Overall accuracy (assessed in terms of percentnew users. Each set consists of 30 minicase studage ‘correct’ scores) for individuals and teams for ies (one for each item) leading to agreed ‘correct’ both versions are shown in Table 3. The accuracy or ‘best’ scores determined by an independent for individual ratings improved from 75% to 77% panel of experienced raters. with the UK version, and team accuracy Using these vignettes, eight centres (Table 2) improved from 84% to 86%. In this study, scores from the user group undertook a multicentre evaluation of inter-rater agreement of the UK FIM+FAM, in comparison with the original Table 2 Rehabilitation centres contributing to the multicentre vignette study version. In the first round of evaluation, baseline test- 1) Alderbourne Rehabilitation Unit, Hillingdon Hospital, ing of the original FIM+FAM was undertaken at Uxbridge UB8 3NN the start of the project in 1995. Thirty-seven reha- 2) Astley Ainslie Hospital, Edinburgh, Scotland EH9 2HL Staffs Rehabilitation Unit, The Haywood, Stoke bilitation professionals (11 teams) each rated the 3) North on Trent ST6 7AG same three sets of vignettes – first individually 4) Poole Brain Injury Service, Poole Hospital, Dorset and then as part of a multidisciplinary team. BH15 2JB Accuracy was assessed in relation to the agreed 5) RAF Headley Court, Epsom, Surrey KT18 6JN Brain Injury Centre, Rathbone Hospital, Liverpool ‘correct’ answers, both for individual and for 6) The LI3 4AW team scores. 7) Regional Rehabilitation Unit, Northwick Park Hospital, Following development of the UK FIM+FAM, Middlesex HA1 3UJ the same vignettes were rated by 28 individuals 8) St Michael’s Rehabilitation Centre, Aylsham, Norfolk NR11 6NA (nine teams). Structural changes tohttp://cre.sagepub.com eight of the Downloaded from at King's College London - ISS on February 2, 2010 280 L Turner-Stokes et al. Table 3 Overall scoring accuracy for individuals and teams: the UK version compared with the original FIM+FAM Original version of FIM+FAM For all 30 items Accuracy of individual raters Accuracy of team scores For 10 troublesome items Accuracy of individual raters Accuracy of team scores UK version of FIM+FAM For all 30 items Accuracy of individual raters Accuracy of team scores For 10 troublesome items Accuracy of individual raters Accuracy of team scores Number of raters Correct scores/ Total no. of item scores % accuracy 37 11 2488/3330 829/990 74.7 83.7 37 11 771/1110 258/330 69.5 78.2 28 9 1943/2520 701/810 77.1 86.5 28 9 627/840 227/270 74.6 84.1 for the original version are already quite accept- considered an acceptable target in this context.6 able so, when taken as a whole, the differences Figure 1 shows the medians, quartiles and ranges are not significant. When the 10 troublesome for kappa values for the two versions across all items only were analysed, the individual rating items. Figure 2 shows the distribution of kappa accuracy improved from 70% to 75% with the values across the 10 troublesome items. In each UK version, and team accuracy improved from case agreement is generally better for the UK 78% to 84%. version than for the original, and the benefits of A breakdown analysis of the 10 troublesome multidisciplinary team scoring are also evident. items is shown in Table 4. The accuracy of indi- Kappa values for team ratings across the trouvidual rating was improved in the UK version in blesome items were all 0.65 or above for the UK all 10 items, although in some the difference was version. very small – range 1–12% (mean 5.3%). Accuracy of the team scores improved in 7/10 items, and improvements ranged from 3 to 29%. Analy- Discussion sis of summary measures across these 10 items showed that improvement in percentage accuracy In our evaluation methodology, we recognize the was significant for individual scores (T-test: p limitations of using vignettes, which provide an <0.001) but not for team scores. For both the assessment of scoring accuracy, and not strictly original and the UK version team scoring pro- reliability. Ideally, reliability testing should duced significantly higher percentage accuracy involve assessment of the same group of real than individual scoring (p <0.001 and <0.01 patients by a large number of individuals and respectively). teams. However, this design is rendered unfeasiTaking the 10 items individually, the greatest ble by geographic separation, and the impossibilimprovements were seen in Safety awareness ity of so large a number of raters being able to (+29%), Adjustment to limitations (15%) and familiarize themselves with each patient suffiEmployability/use of leisure time (10%), but only ciently to score them reliably. Vignettes similar reached statistical significance for Safety aware- to those used here are routinely used by UDS ness (chi-squared: p = 0.004). (Uniform Data Systems) to assess scoring accuAgreement with correct scores for each indi- racy of raters before enrolling them as accredited vidual and each team was tested using Cohen’s FIM users and to identify aspects of the scale that kappa statistic. Kappas above 0.65, representing are difficult to score.8 In future studies, the use a very good level of agreement, have been of recorded videos Downloaded from http://cre.sagepub.com at King's College London - ISS on February 2, 2010may go some way towards The UK FIM+FAM: development and evaluation Table 4 281 Scoring accuracy: differences between the two versions for the 10 troublesome items Individual scores Team scores Item Original accuracy (n = 111) UK version accuracy (n = 84) Difference Original accuracy (n = 33) UK version accuracy (n= 27) Problem solving Adjustment to limitations Emotion Employability/use of leisure Social interaction Community mobility Safety judgement Attention Speech intelligibility Comprehension 71 74 81 79 75 87 65 92 68 78 55 66 64 66 61 72 53 74 52 63 +2% +12% +3% +8% +5% +8% +4% +5% +1% +5% 25 23 27 26 27 30 22 30 23 25 19 23 23 24 20 24 26 26 20 22 Mean 95% confidence interval t-test 69.4% (66%) (79%) (76%) (79%) (73%) (86%) (63%) (88%) (62%) (75%) 74.7% 5.3% 2.96–7.64 p <0.001 (76%) (70%) (82%) (79%) (82%) (91%) (67%) (91%) (70%) (76%) 83.9% (70%) (85%) (85%) (89%) (74%) (89%) (96%) (96%) (74%) (81%) 78.4% –6% +15% +3% +10% –8% –2% +29% +5% +4% +5% 5.5% –2.20–13.20 N/S Kappa values (64%) (67%) (73%) (71%) (68%) (78%) (59%) (83%) (61%) (70%) Difference Figure 1 Distribution of kappa values across all 30 items. Individual and team agreement with correct scores is shown for the original and UK FIM+FAM versions. overcoming this problem, but even so are not a pants 1–2 hours to rate individually and at least full substitute for genuine cases. Further in vivo one hour as a team. It was considered that a reliability studies will still be required. larger number of vignettes would reduce rater Kappa statistics must be viewed with some compliance. Cohen’s kappa has gained accepcaution in small sample numbers, and for this tance as a standard for testing agreement in interreason results are also given in terms of the rater reliability studies, although strictly percentage ‘correct’ scores. The three sets of speaking, it requires a sample size of 2κ2. In the vignettes used in this study took most particiof the FIM+FAM this would be 98, which is Downloaded from http://cre.sagepub.com at King's case College London - ISS on February 2, 2010 L Turner-Stokes et al. Kappa values 282 Figure 2 Distribution of kappa values across the 10 troublesome items. Individual and team agreement with correct scores is shown for the original and UK FIM+FAM versions. rarely possible to achieve. Other studies have below 80% in the first round evaluation. Problem also tended to use suboptimal numbers.6 solving and Social interaction remain weak items, In spite of these reservations, in this prelimi- but having agreed to maintain the integrity of the nary evaluation the UK FIM+FAM compared FIM, these cannot be changed unless this is inifavourably with the original version. Although tiated by UDS. Since the first and second rounds of evaluation the difference between the two versions in percent accuracy was small when items were taken were undertaken two years apart, it might be overall, analysis of the 10 troublesome items argued that improvement in accuracy resulted revealed more marked improvement in the areas from increased rater experience in use of the that had been targeted for change. The small but FIM+FAM. However, except for five individuals, consistent improvements on scoring accuracy the two studies were undertaken by different reached significance, however, when rated by raters and the overall FIM+FAM experience among the raters was similar on both occasions. individuals. It might further be argued that the changes Improvement in scoring accuracy by teams did not reach statistical significance over the 10 items, made to the vignettes themselves between the and this was felt to reflect the relatively higher two versions could have rendered them easier to level of team scoring accuracy overall for the score in the second round. However, only the original version, which left less room for minimum necessary changes were made to bring improvement. Nevertheless, taking items individ- vignettes into line with the new wording in deciually, there was significant improvement team sion trees and manual. Care was taken to ensure scoring accuracy in Safety awareness (+29% p = that only the equivalent information was given, 0.004). Although not reaching significance, and the correct scores for each item were kept notable improvements were also seen in Adjust- the same. For both versions, accuracy was significantly ment to limitations (+15%), Employability/ leisure activities (+10%), both of which had improved when raters scored the vignettes as a ranked highly among the offending items in the team. This underlines the desirability of multidisciplinary team2, 2010 rating, whichever version is original version and wereDownloaded scored with accuracy from http://cre.sagepub.com at King's College London - ISS on February The UK FIM+FAM: development and evaluation used, and does therefore restrict the use of the FIM+FAM to settings in which staff availability and time allow this method of scoring. In summary, development of the UK FIM+FAM has led to revision of the decision trees and manual for 10 items previously identified as particularly difficult to score. The UK FIM+FAM appears to compare favourably with the original version for scoring accuracy and ease of use, and is now sufficiently well-developed for wider dissemination. Acknowledgements The authors would like to thank all participating members of the UK FIM+FAM Users Group, and in particular Kath McPherson, representing Astley Ainslie Unit, Edinburgh; Ann Hunter, representing Hunter’s Moor Rehabilitation Unit, Newcastle; and Elspeth Novice, representing Northwick Park Hospital for their contributions to the UK version. We are indebted to Karyl Hall of Santa Clara Valley Medical Center, San Jose, USA, for collaborative support; to Keith Sephton and Stephen Jeaco for help with the computer package; to Caroline Dore of the Department of Medical Statistics and Evaluation, Imperial College School of Medicine for statistical advice; and to the Luff Foundation for financial support. Note: Copies of the UK FIM+FAM are available from: Dr Lynne Turner-Stokes, Regional Reha- 283 bilitation Unit, Northwick Park Hospital, Watford Road, Harrow, Middlesex HA1 3UJ, UK. References 1 Mahoney FI, Barthel DW. Functional evaluation: the Barthel Index. Md State Med J 1965; 14: 61–65. 2 Hamilton BB, Granger CV, Sherwin FS, Zielezny M, Tashman JS. A uniform national data system for medical rehabilitation. In: Fuhrer JM ed. Rehabilitation outcomes: analysis and measurement. Baltimore: Brookes, 1987: 137–47. 3 Turner-Stokes L, Turner-Stokes T. The use of standardized outcome measures in rehabilitation centres in the UK. Clin Rehabil 1997; 11: 306–13. 4 Hall KM, Hamilton BB, Gordon WA, Zasler ND. Characteristics and comparisons of functional assessment indices: disability rating scale, functional independence measure, and functional assessment measure. J Head Trauma Rehabil 1993; 8: 60–74. 5 Alcott D, Dixon K, Swann R. The reliability of the items of the functional assessment measure (FAM): differences in abstractness between FAM items. Disabil Rehabil 1997; 19: 355–58. 6 McPherson KM, Pentland B, Cudmore SF, Prescott RJ. An inter-rater reliability study of the functional assessment measure (FIM + FAM). Disabil Rehabil 1996; 18: 341–47. 7 Turner-Stokes L. Outcome measures for in-patient neurorehabilitation settings – a commentary. Neuropsychol Rehabil 1999; in press. 8 Granger CV, Deutsch A, Linn RT. Rasch analysis of the functional independence measure (FIM(TM)) mastery test. Arch Phys Med Rehabil 1998; 79: 52–57. Downloaded from http://cre.sagepub.com at King's College London - ISS on February 2, 2010 284 L Turner-Stokes et al. Appendix1 – The UK version of the FIM+FAM Self-care 1) Eating 2) Grooming 3) Bath/showering 4) Dressing upper body 5) Dressing lower body 6) Toileting 7) Swallowinga Sphincters 8) Bladder management 9) Bowel management Mobility 10) Transfers: bed/chair/wheelchair 11) Transfers: toilet 12) Transfers: tub/shower 13) Transfers: cara 14) Locomotion: walking/wheelchair 15) Locomotion: stairs 16) Community mobilitya Communication 17) Expression 18) Comprehension 19) Readinga 20) Writinga 21) Speech intelligibilitya Psychosocial 22) Social interaction 23) Emotional statusa 24) Adjustment to limitationsa 25) Use of leisure time (replaces ‘Employability’ in original version)a Cognition 26) Problem solving 27) Memory 28) Orientationa 29) Concentration (replaces ‘Attention’ in original version)a 30) Safety awareness (replaces ‘Safety Judgement’ in original version)a a FAM items Seven Level 7 6 5 4 3 2 1 levels for each item Description Fully independent Requiring the use of a device, but no physical help Requiring only stand-by assistance or verbal prompting or just help with set-up Minimal assistance Requiring incidental hands-on help only (performs >75% of the task) Moderate assistance Subject still performs more than half the task (50–74%) Maximal assistance Subject provides less than half of the effort of the task (25–49%) Total assistance Downloaded from Subject contributes lessLondon than- ISS25%, or2,is2010unable to do the task at all http://cre.sagepub.com at King's College on February Complete independence Modified independence Supervision/set-up The UK FIM+FAM: development and evaluation 285 Appendix 2 – Details of the UK version of the FIM+FAM This appendix briefly describes the changes to the original FIM+FAM that have been made to produce the UK version. Further details and full manual are available on request from the authors. General changes 1) Reorganize tree structure to same layout as FIM items. 2) Inclusion of brief description of each level on the same page as the tree structure to aid cross reference to the scoring manual. 3) Removal of broad terms, such as ‘General life function’. 4) Removal of poorly understood words, such as ‘poseyed’. 5) Restore emphasis on what subject does do, not what they would or could do. 6) Define levels in terms of frequency of help or intervention required, rather than percentage of task. Changes to specific items 16) Community mobility Community mobility might be considered a handicap item, but is such a crucial limiting factor for community integration that many units address it actively as a problem in the course of rehabilitation. ‘Personal transportation’ is redefined as ‘getting about in the community’. The decision tree prompts the rater to indicate the mode of transport used, and on which the subject is rated, and is reminded that car transfers are assessed separately. ‘Incidental help’ is defined and cut-off points for lower levels are determined by the need for help just at the start of the journey, at both ends, or during the course of the journey. 21) Speech intelligibility Speech intelligibility includes the articulation, rate, volume and quality of vocal communication, but not the ability to express ideas or accurate information, which is covered by expression. Above the help line, the use of compensatory strategies (including rate of self-correction) to produce intelligible speech is included. Below the line, help is reflected in listener effort, and cutoff points determined by the subject’s ability to produce intelligible syllables, words, phrases or sentences and requirement for familiarity on the part of the listener. 22) Social interaction Social interaction is an FIM item which cannot be changed. An abbreviated version of the manual was included at the bottom of the decision tree, which teams found helpful in confirming the correct level. 23) Emotion Emotion includes not only the frequency and severity of mood disturbance but also the ability to take responsibility for their emotional behaviour. ‘Structured’ and ‘unstructured’ setting is removed since the subject should be scored in the setting in which they are. Use of medication to control mood is included above the help line, providing the subject takes this themselves and without prompting. Below the help line, cut-off points for levels are determined by the frequency of intervention required to control and manage emotional behaviour. Downloaded from http://cre.sagepub.com at King's College London - ISS on February 2, 2010 286 L Turner-Stokes et al. 24) Adjustment to limitations Adjustment to limitations was considered to have two components. • • Above the ‘help’ line, a mental set with regard to coming to terms with their disability and having realistic expectations for the future. Below the line more practical adjustments and the use of coping strategies and alternative techniques to overcome their disabilities and operate at the maximum level of safe independence. Cut-off points for levels 1–4 are based on the amount of help required to employ use of alternative strategies. 25) Employability Employability was considered to be a handicap item. In most rehabilitation settings it can only be scored in terms of what the subject would or could do, not what they do do. It was therefore replaced with an alternative item ‘Use of leisure time’. Use of leisure time involves three components: choosing the activity, making the necessary arrangements to take part in it, and performing the activity. Cut-off points for levels 2–4 are dictated by the number of these steps for which help is required. 26) Problem solving Problem solving is an FIM item, so no change was made to the decision tree or manual. However, scoring above and below the ‘help’ line requires the identification of ability to solve complex and simple problems. Task batteries were suggested on which subjects might be tested to improve objectivity of scoring. Simple problems were identified as routine everyday tasks, requiring familiar strategies for problems that have arisen and been tackled before. Complex problems may be new or unfamiliar tasks which have several stages or require qualified judgement and forward planning. Examples of simple and complex problems are given below. These are not intended to be exhaustive but illustrative of the sort of task on which the subject might be assessed, which can feasibly be used in a hospital rehabilitation setting. • • • • • • Simple problem Given a meal tray with no cutlery Asked to put on a shirt – given it inside out Asked to write – given unsharpened pencil Getting something out of reach Negotiating obstacles in a wheelchair Preparing for a transfer • • • • • • Complex problem Planning a three-course meal Planning a multistage journey Planning a group activity Self-medicating Dealing with a broken piece of equipment Being given the wrong change 29) Attention Attention is renamed ‘Concentration’. Concentration is defined in terms of the length of time the subject is able to concentrate on a purposeful (nonautomatic) activity. Some activities can be either automatic or nonautomatic. For example, eating may be an automatic activity if it poses no problem for a subject, but nonautomatic if it requires concentration to use adapted cutlery or overcome ataxia. Cut-off points for the lower levels are defined in terms of the length of time for which they concentrate on such an activity, e.g. <5 minutes, 5–15 minutes, 15–30 minutes, etc., and also on the amount of help required to get back on track once distracted. Downloaded from http://cre.sagepub.com at King's College London - ISS on February 2, 2010 The UK FIM+FAM: development and evaluation 287 30) Safety judgement Safety judgement reflects both physical and cognitive abilities and is renamed Safety awareness to avoid the implication that subjects with severe physical disability have more limited opportunity for being unsafe. In Safety awareness, ‘be safe’ is replaced with ‘help to maintain personal safety’, placing responsibility on the subject rather than the carer. Again, the wording emphasizes what the subject does do, not what they would and could do and cut-off points for the lower levels are defined in terms of the length of time for which they are safe to be left alone. Downloaded from http://cre.sagepub.com at King's College London - ISS on February 2, 2010
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