Name: _____________ Unit 1 Revision Pack Social Psychology Research Methods Theories o Social Identity Theory o Milgram’s Agency Theory Studies o Milgram o Meeus and Raaijmakers o Hofling et al o Reicher and Haslam Key Issue o Abu Ghraib – obedience in a prison setting Cognitive Psychology Research Methods Theories o Levels of Processing (Memory) o Reconstructive Memory (Memory) o Cue Dependent Forgetting (Forgetting) o Interference Theory (Forgetting) Studies o Godden and Baddeley o Peterson and Peterson Key Issue o Are EWTs reliable? Exam Date: Target grade: 1|Page What is Social Psychology? Study of how behaviour is influenced by the presence, attitudes and actions of other people. Effect of culture, effect of joining groups, why we help others. History: prominent in mid 20th century (earliest study by Norman Triplett, 1898) Obedience, prejudice, effects of authority. Methodology Hypothesis: a prediction about the outcome of the study Null hypothesis: there will be no difference…. Types of Questions Alternative hypothesis: there will be a difference… Open question (Qualitative data) Closed Question (Quantitative data) Types of Data One tailed/directional: describes exactly what the difference will be Qualitative (words etc) Strengths Weaknesses Gives more in depth Difficult to draw analysis comparisons Increased validity Decreased reliability Quantitative (numbers etc) Strengths Easier to compare More reliable Weaknesses Reduces thought and feelings Lacks validity Two tailed/nondirectional: does not specify the difference Gathering data Interview: Unstructured, semi-structured or structured Questionnaire: Little flexibility, can be done on a Likert Scale (Strongly agree, agree, neither agree or disagree, disagree, strongly disagree) Sampling methods Remember we want our sample to be representative of the target population Method Random sampling Stratified sampling Opportunity sampling Volunteer/selfsampling 2|Page Procedure Every member of population has equal chance of selection Sample is proportional breakdown of target population Whoever is available at the time Strengths Less bias Weaknesses Very hard to do Representative (if done properly) Easy quick and ethical Time consuming and difficult Not very representative Participants select themselves e.g. advertisement Motivated pps and variety of pps Motivation may make them behave differently Informed consent • Must be given at start of research • Needs to be fully informed Debriefed • At the end of study • Told full details of study and then can ask questions/withdraw if wanted Deception • Participants should not be lied to where possible • If deception occurs then full debrief must also occur Right to withdraw Competence Protection from harm • Participant is allowed to withdraw during the study • They are also allowed to remove their data after the study • Researcher must be fully qualified to conduct study • Researcher must also be fully qualified to draw conclusions from study • Participants should not be harmed in any physical, emotional, psychological way and should be fully debriefed to ensure this. Evaluating surveys Interviews Questionnaires 3|Page Strengths Face to face leads to high validity – truthful and natural behaviour Can get rich detailed data Structured interviews have reliability Less time consuming Can get large sample size Open questions can provide qualitative data Closed questions can provide quantitative data – easy to analyse Weaknesses Time consuming Training might be needed – costly Unstructured interviews less reliable Lacking in validity – could have lied to show social desirability. If volunteer sampling – similar types of people Closed questions lack thought and insight to person Theories in Social Psychology Milgrams AGENCY THEORY Tajfel’s SOCIAL IDENTITY THEORY Natural to obey a person in authority It is an automatic process to put ourselves in groups – this causes PREJUDICE Autonomous State: Acting on your own free will Agentic State: Following orders; acting as an agent for somebody Explains moral strain: when you do something because you are told to, even though it goes against your morals/beliefs Milgram believed we switch between the two depending of the situation 1. Social Categorisation: Putting ourselves into groups (in group = us, out-group = them) 2. Social Identification: Absorbing the culture, norms and values of in group 3. Social Comparison: act of comparing groups to raise self esteem a. In group favouritism b. Out group denigration Evaluating the theories Agency Theory S O D A Milgram’s study (65% obeyed and killed another) Hofling et al (21/22 nurses) Meeus and Raaijmakers (96%) (although this research is quite unethical and some lacks ecological validity) More about groupings e.g. Reicher and Haslam (authority ignored, overruled, self-governing commune also collapsed) We follow other people within our group instead of those in authority (Social identity Theory) Helps to explain moral strain and real life behaviour such as the Nazis, Kadafi (Libya) etc. BUT too reductionist – humans are more complex – individual differences Social Identity Theory Reicher and Haslam support the forming of groups Tajfel’s own study Sherif – robbers cave study (field studies – lack reliability) Milgram’s study – 65% people follow orders of authority figure NOT just their group behaviour (lab experiment – lacks validity) Agency theory – our behaviour is determined by which state we are in (autonomous and agentic) Applies to real world behaviour (e.g. football hooliganism, prejudice and discrimination) Reductionist Biased towards specific cultures Studies in Social Psychology You need to be able to describe and evaluate four studies in Social Psychology. These are Milgram, Meeus and Raaijmakers, Hofling et al., and Reicher and Haslam. 4|Page MILGRAM (1963) Study of obedience to malevolent authority Aim: to establish a baseline measure of how obedient naïve participants would be when ordered to administer increasingly intense shocks to an innocent victim. Procedure: 40 male Pps – newspaper advert ($4 + car fare) Pp and a confederate (Mr Wallace) “picked” to be teacher and learner. Shown generator and learner being strapped in. 15V – 450V Read word pairs then test – if wrong/silent = electric shocks Results: Survey before – believed all pps would stop at 140V (asks to be released) Actual: 100% went to at least 300V, 65% go to 450V (and essentially kill human being) Conclusions: Social setting is a powerful determinant of beh – we are socialised to recognise and obey auth. Evaluation Variations G: only 40 males from one area – lacks generalizability Setting: when conducted in an inner city office (more realistic) = 48% (dropped but still high) R: highly controlled lab experiment = high reliability. Has been replicated with similar results Touch proximity: Have to hold down to receive shock – drops to 30% A: Applicable to real world behaviour (e.g. Nazis) and can support Agency Theory Proximity: learner in same room as teacher – drops to 40% V: artificial environment (ecological validity) and artificial task (construct validity) limited sample (population validity) Two Peers Rebel: two confederates join as teachers and refuse to comply – drops to 10% E: protection, fully informed consent, extreme stress, thorough debrief, deception. Remote Authority: instructions from researcher received over the phone – dropped to 21% Meeus and Raaijmakers (1985) Carrying out orders to use psychological–administrative violence Aim: to study obedience in a more up to date way than Milgram, using Psychological violence in a more liberal culture Procedure: based on MIlgram’s paradigm. Pps (39 men and women) ordered to harass job applicant (confederate) to make him nervous while sitting a test to determine if he would get the job. Told this was context of a research project. Findings: Criticisms 92% of participants obeyed and harassed confederate – thought it was unfair to do so. G: mixed genders but small sample in one area 96% believed it was a real life study Conclusions Even in a more liberal culture people obeyed an authority figure and went against better nature to do something designed to harm another (moral strain) 5|Page R: controlled environment – high reliability A: applicable to interviews, supports Agency Theory V: construct validity higher, but lacks ecological E: More ethical than Milgram but still a level of deception A P F C C Hofling et al., 1966 Reicher and Haslam (2006) Investigate aspects of nurse-physician relationship – what happens when a nurse is ordered to do something against professional standards Field study (midwest USA) Questionnaire: would you obey in this situation – majority say no Study: nurses on night duty called by ‘Dr Smith’ (unknown) and asked to give 20mg (twice daily dose) of Astroten (not allowed on ward) to Mr Jones Call ended when nurse goes to get drug, becomes upset, seeks advice or 10 mins+ Questionnaire: 10/12 and all 22 nurses asked in questionnaire said no 21/22 nurses in actual study went to administer the drug Calls generally brief with little resistance Only 11 said they were aware of dosage All admitted they shouldn’t have, but it was a common occurrence. Nurses will knowingly break hospital rules in a situation where a doctor tells them to, even if it could endanger a patient’s life. To investigate the effects on behaviour of putting pps in groups unequal in terms of power G: high population validity – real nurses BUT likely to obey (USA: not long after war) R: standardised script– ran 22 times with similar results (test re-test R) – hard to control extraneous A: supports Agency theory V: high ecological – nurses unaware = natural E: consent, fully debriefed Field study – broadcasted on BBC 15 men – simulated prison 5 guards, 10 prisoners – told after 3 days promotion to guard possible (selected by guards) Guards: draw up rules, access to surveillance, trappings and better conditions Prisoners: arrived one at a time and told rules 6 days in: told no real difference (-) prisoners and guards – too late to make a difference @ first prisoners adjusted to get promotion When promotion removed – showed strong social identity & tried to change system Guards showed no social identity & did not exert authority – could not deal with confrontation & gave in to demands on day 4 Day 6: system had collapsed – self-governing commune – day 8 this collapsed - END When groups are formed with strong Social Identity (shared norms and values) the members work together and become strong Tyranny arises because of failed groups, rather than the tyranny of the group itself G: small sample and only males R: hard to replicate due to individual differences (were the prisoners just more dominating?) A: can support Tajfel’s theory of S.I.T V: ecological validity lacking – TV broadcast = demand chars E: some distress/violence/confrontation - deception Key Issue: Soldiers in Abu Ghraib 2004 – photos emerged of prisoners in a US run Iraqi prison being abused, tortured and humiliated by US Military personnel. Soldiers are GUILTY Soldiers are INNOCENT ‘corrupt cops’ acting in autonomous state Tormented prisoners for fun In and out groups (in group has the power) Identify with in group and mistreat out group Supported by Tajfel and Sherif’s study Little evidence of direct orders to carry out this behaviour Not every guard engaged in the behaviour – the whistle was ‘blown’ by Joe Darby who released photos. 6|Page Only obeying orders from senior officers Not bad people – situation led to their behaviour Supported by Milgram’s study Operating in agentic state – on behalf of their seniors Explained by Moral Strain Responsibility lays with senior officers and not soldiers. Cognitive Psychology Cognition = mental processes needed to make sense of the world Information Processing Approach Memory Used by the cognitive approach to explain how we receive, interpret and respond to information. Encoding: changing a sensory input into memory trace Input ProcessOutput 3 storage systems: Sensory store (info from environment), short term memory (lasts 15-20 secs, holds 7±2 items), long term memory (unlimited capacity and duration) Links to the processes of a computer Methods Laboratory Experiment Tightly controlled env IV manipulated and DV measured Ps randomly allocated to a group Advantages Can control extraneous variables Can establish cause and effect Disadvantages Highly artificial – lacks ecological validity Demand chars Experimenter effects Field Experiment Carried out in natural environment Less control over extraneous variables IV still manipulated and DV measured Advantages Ps might not be aware BUT more natural Ecological validity Disadvantages No control over setting – extraneous variables Time consuming to set up Possible ethical issues Natural Experiment Conducted in natural environment IV is not manipulated by researcher but is naturally occurring E.g. Charlton et al Advantages Ecological validity Less demand characteristics Disadvantages Lack of control over extraneous, participant variables Tends to be unique – hard to find (e.g. Money) Hypotheses: predictions about research Experimental hypothesis = statement made about the predicted outcome of study. Directional or One-Tailed hypothesis The direction of the results is predicted Variables Independent Variable: manipulated by the researcher Dependent Variable: measured by the researcher 7|Page Non-Directional or Two-Tailed hypothesis A change or difference is predicted, but not the direction it will go in. Operationalisation: how will you measure the DV and alter the conditions of the IV Participant Designs Independent Groups Same group of Pps in each experimental condition Repeated Measures One group of participants per experimental condition Matched Pairs Similar to IG, but Pps matched on a characteristic important to the study Experimental Control Order effects: in repeated measures design, need to counterbalance (swap the order around for each participant) or randomise (Ps allocated randomly to an order of conditions) to ensure order effects do not take place. Extraneous Variables: any variable (apart from IV) that can affect your results. A confounding variable is one that has had an effect on your results. Situational Variables: an extraneous variable found in the environment Participant Variables: participants can affect the study (mood, intelligence, experience, age etc) Experimenter effects: the effects the researcher can have on the results – e.g. attitude, build, gender, subtle clues Ecological Validity: if the study represents natural situation – if lacking can lead to demand chars (unnatural behaviour) Reliability and Validity Word Reliability Test-retest reliability Inter-rater reliability Validity 8|Page Definition When a study is repeated and similar results are found Can the study be repeated to get same results? Do two researchers come to the same conclusions? How well something measures what it is supposed to measure Word Ecological Validity Construct Validity Population validity Concurrent validity Definition How well the study reflects natural situation How well the task reflects a real life task Does the sample reflect the population? Do the results match the results of similar studies? Theories in Cognitive Psychology You have to learn two theories of memory and two theories of forgetting. DO NOT get these mixed up, it can cause disasters in your exam. Theories of Memory Levels of Processing Reconstructive Memory Theories of Forgetting Cue Dependent Forgetting Interference Theory Levels of Processing – Craik and Lockhart (1972) 2 different types of rehearsal: Evaluation 1. Maintenance rehearsal: rehearse info to preserve it for a short time – not a strong memory 2. Elaborative rehearsal: give info meaning – deeper consideration = stronger memory Hyde and Jenkins (1973) found that processing the meaning of words (rated for pleasantness) increased the memorability of the word We have a central processor – handles all kinds and quantities or perceptual info and determines how it is processed: Applications are wide – used to enhance revision and memory and can be applied to learning lang and reading. Meaningless info = shallow processing Distinctive relevant info = deeper processing Accounts for diversity of memories that we store – Multi Store Model (different theory) does not account for weak and strong memories. Memory is a by-product of info processing LOP explains difference in memory durability. Craik and Tulving: 3 types of processing 1. Structural – what it looks like 2. Phonetic – what it sounds like 3. Semantic – what it means (best memory) Depth of processing could be a variety of things, not just meaning of information (e.g. time spent, amount of elaboration etc.) Reconstructive Memory - Bartlett Memory is not like a tape recorder – it is not perfectly encoded, perfectly processed and perfectly recalled. Bartlett started by thinking that past and current experiences of the individual reflect how an event is remembered. He notes that there would be input, which is the perception of the event. This is followed by the processing, which includes the perception and interpretation of the event; this involves previous experiences and schemata. 9|Page The memory of an event derives from information from specific memory traces which were encoded at the time of the event, and ideas that a person has from knowledge, expectations, beliefs and attitudes. Remembering involves retrieving knowledge that has been altered to fit with knowledge that the person already has. Bartlett’s research : War of the Ghosts Theory based on Chinese whispers – came up with a study to test it. Schema An internal mental representation of the world (e.g. a “going to the cinema” or “in a lesson” script) which outlines the expectations of that situation. Used a Native American folk story called War of the Ghosts (unfamiliar to pps – does not fit into usual schemata. Bartlett reads story to Pps and they repeat back to him – different accounts given. Met Pps on several other occasions and asked them to recall story – got shorter and shorter each time. BUT it made more and more sense to Pps whereas the original story made no sense to them. After 6 recall sessions average stories had shortened from 330 words to 180 words. Bartlett noticed that people had rationalised the story in parts that made no sense to them, and filled in their memories so that what they were recalling seemed sensible to them. This means that the participants had reconstructed their memories of the story. Bartlett hereby concluded that memory is reconstructive, not reproductive. Rationalisation Example of a schema (Cohen, 1995) Altering something so that it makes sense to you Confabulation Making up certain parts to fill in a memory to help it make sense Cohen pointed out five ways in which schemata can help influence memory – 1. 2. 3. 4. 5. providing or aiding selection and storage abstraction integration and interpretation normalisation retrieval. Schemata enable us to store the central meaning or gist of new information without necessarily remembering the precise details (abstraction, selection and storage) Schemata also help us to understand new information more readily (integration and interpretation, normalisation), or fill in or guess missing parts of it using default values (retrieval). This makes the world more coherent and predictable. 10 | P a g e Evaluation of reconstructive memory Backed by much research (Bartlett, Loftus and Palmer – leading questions) Applicable to real life memories – we often remember central information and not peripheral Helps to explain unreliability of eye witness testimonies Easy to test using experimental method – IV can be easily manipulated War of the ghosts made no sense to the Pps so they could have altered it to simply make sense of it Lab experiments used to test this lack ecological and construct validity and could have demand characteristics Does not explain how the memory is reconstructive – is a theory of description, not explanation. Theories of FORGETTING Cue Dependent Forgetting We forget because we are not in the same situation as we were when we remembered the information. Based on Tulving’s (1974) encoding specificity principle. “The greater the similarity between the encoding event and retrieval event, the greater the likelihood of recalling the original memory” Context Dependent Forgetting Context: situation Explains why revisiting a place after many years triggers memories of being there = context dependent. Godden and Baddeley (1975) Recall in same environment as learning = better recall Smith (1985) Recall to similar music in environment as learning environment = better recall Grant and Bredahl et al (1998) Info learnt in noisy conditions was recalled best in noisy conditions vs. quiet ones Schab (1990) Smell of chocolate can be a strong aid to recall Herz (1997) Peppermint, osmanthus and pine all gave good recall when scents present in learn and recall conditions. State Dependent Forgetting State: emotional and physical state When happy we recall more happy memories, and vice versa when sad = state dependent. Duka et al. (2000) Recall better when alcohol-alcohol versus alcoholplacebo conditions Miles and Hardman (1998) Aerobic exercise had a positive effect on recall when used as a state cue Lang et al (2001) Fear was a powerful state cue and improved recall when fear was induced. Evaluation of CDF Lots of empirical support (see above table) who are we to argue? Meta-analysis (Smith and Vela, 2001) on 75 CDF supported the idea that reinstatement of context = better recall Explains ‘tip of the tongue’ phenomenon (Brown and McNeill, 1966) 11 | P a g e Empirical evidence uses word lists and unfamiliar or unusual cues – lacks construct validity Lab experiments can lead to demand characteristics Hard to define cues – music can be a context and state cue – what are we really testing Anecdotal examples hard to measure Interference Theory Interference theory states that forgetting occurs because memories interfere with and disrupt one another, in other words forgetting occurs because of interference from other memories (Baddeley, 1999). There are two ways in which interference can cause forgetting: 1. Proactive interference (pro=forward) occurs when you cannot learn a new task because of an old task that had been learnt. When what we already know interferes with what we are currently learning – where old memories disrupt new memories. 2. Retroactive interference (retro=backward) occurs when you forget a previously learnt task due to the learning of a new task. In other words, later learning interferes with earlier learning - where new memories disrupt old memories. Proactive and retroactive Interference is thought to be more likely to occur where the memories are similar, for example: confusing old and new telephone numbers. Chandler (1989) stated that students who study similar subjects at the same time often experience interference. Previous learning can sometimes interfere with new learning (e.g. difficulties we have with foreign currency when travelling abroad). Also new learning can sometimes cause confusion with previous learning. (Starting French may affect our memory of previously learned Spanish vocabulary). In the short term memory interference can occur in the form of distractions so that we don’t get the chance to process the information properly in the first place. (e.g. someone using a loud drill just outside the door of the classroom.) Key study: Postman (1960) aimed to investigate how retroactive interference affects learning. In other words, to investigate whether information you have recently received interferes with the ability to recall something you learned earlier. Found that control group who had no second list of words to learn had better recall of an original list of words than the experimental group who had to learn two lists of words. Evaluation of Interference Theory There is a lot of evidence that backs up the idea that interference causes certain types of forgetting eg Dallenbach 1924 and Peterson and Peterson 1959 It is a credible theory because it is backed up by our own everyday experience eg windscreen wipers if they are on a different side to what you are used to, or the watch example or trying to learn a 3rd language Explains issues in EWT due to watching news coverage of events – can interfere with existing memories 12 | P a g e Tells us little about the cognitive processes involved in forgetting Majority of evidence to support is in lab experiments – lack ecological and construct validity Lab experiments generally use university students – generalisability issues Baddeley (1990) states events in interference theory studies are too close together and in real life encoding and recall are more spaced out Studies in Cognitive Psychology A P F C C Godden and Baddeley Peterson and Peterson To investigate whether a natural env. can act as a cue for recall 18 pps members of dive club Learnt list of 38 unrelated 2 or 3 syllable words Randomly allocated to one of 4 conditions 1. Land-land 2. Land-water 3. Water-water 4. Water-land Scotland over 4 days following scheduled dive (all divers wet/cold = same condition) Tested 2 at a time – heard words in blocks of 3, list presented twice. After 4 minute delay recalled words in any order Recall was around 50% higher when it took place in same environment as learning Learn land Learn water Recall land 13.5 8.4 Recall water 8.6 11.4 Environment can act as a contextual cue for recall To investigate how long information lasts in the STM without rehearsal Lab experiment G – small sample of university divers R – weather and conditions could not be controlled and in fact had an impact on the schedule of experiments A – supports CDF and can be applied to EWTs V – not a real life task or a real life environment (specific to divers) E – no harm to participants and all consented to take part Participants presented with a 3 letter nonsense trigram (e.g. BKZ, TPS, MHR) Then given a number to count backwards from in 3s from a 3 digit number for a certain amount of time (3, 6, 9, 12, 15 and 18 seconds) Then asked to recall the trigram in the right order After 3 seconds – 80% recall After 6 seconds – 50% recall After 9 seconds – 30% recall After 18 seconds – 10% recall STM lasts no longer than 18 seconds Without rehearsal information will fade quickly G – university students – not generalisable to wider population R – lab experiment – highly controlled theorefore replicable. BUT could lead to demand characteristics A – supports theory of trace decay and the limited capacity of STM. Everyday distractions more complex than counting backwards – not applicable. V – use of nonsense trigrams not real life memory – lacks construct validity. Artificial environment = ecological validity E – no ethical problems Key Issue – are EWTs reliable? EWT = recalled memory of a witness to a crime or incident. Recorded as police statement or given as verbal testimony in court. There is controversy about the accuracy of EWT. No Yes Bartlett – all memory is reconstructed based on our schema Loftus – leading questions research Loftus et al.(1987) – time distortion of events Clifford & Hollin (1981) – violent footage recalled poorly compared to non-violent Pickel (1998) – weapon focus can impact recall Research is done in lab exps – difficult to generalise, lack ecological validity, construct validity – not the same state (CDF) PPS could show demand chars Smith & Elsworth (1987) – witness will not succumb to leading questions as easily as thought 13 | P a g e
© Copyright 2024 Paperzz