Optimal learning in schools – theoretical evidence: Part 2 Updating Piaget John Crossland ABSTRACT Part 1 in this four-part series of articles discussed Piaget’s theories of learning and development (Crossland, 2016). Part 2 explores how post-Piagetian researchers have addressed criticisms of Piaget’s theories by linking recent evidence including that from neuroscience. The outcomes show that good teachers make a difference by implementing classroom-based optimal learning strategies. This new evidence brings Piaget’s theories into the 21st century and leads to a clearer definition of optimal learning in the classroom. Periods of transition Several post-Piagetian researchers (neo-Piagetians) have attempted to build upon Piaget’s theories. Demetriou (2006) comprehensively summarised five neo-Piagetian theories showing how the criticisms levelled at Piaget’s theories are being addressed in relation to the transition between the types of thinking and doing. There are two approaches with a strong neurological evidence base, so these are the focus for this series of articles. The first is Fischer’s skills-based approach and the second is Demetriou’s semantic approach. A few years later, updated outcomes from the same two researchers (Fischer, 2008 and Demetriou et al., 2013) have been brought together with those of Piaget to shed light upon some aspects of cognitive stability and dynamic variability of school-aged-learner development. The fact that the three studies used different methodologies, measuring instruments and tools of statistical analysis adds weight to the areas where they agree. First, some broad aspects about the research methods and outcomes used by Piaget, Fischer and Demetriou: l Piaget based his stages of development on observing learning in a longitudinal study with a small group of learners supplemented by clinical interviews. The outcomes were discussed in Part 1 (Crossland, 2016). l Fischer’s data were drawn from the development of the neo-cortex and worked on longitudinal electroencephalography (EEG) studies. These tested the development of skills under the conditions of familiarity and scaffolding (mediation) compared with no help given at all. The EEG studies showed the processes by which the brain undergoes significant spirals of culling and rewiring and these are related to surges of development in skills. Fischer interpreted these results to mean that the individual learner’s true level of development can only be reached under conditions of maximum mediation (see Box 1). Under these conditions, development occurs in spurts that affect a wide array of particular skills and in line with the expectations of a dynamic systems approach. Thus, supportive teaching has a periodic accelerating effect, which confirms that good teaching makes a difference to the pace of development. However, Fischer’s theory ignores the role of processing capacity in the transition of types of thinking and employs a very loose definition of social mediation, such as reading books. l Demetriou, in collaboration with many other researchers over several decades, analysed three studies, two of them longitudinal. Demetriou’s data were drawn from the whole brain, including the development of those vital areas for learning: the hippocampus, amygdala, thalamus, neo-cortex and working memory. Also, Demetriou researched individual differences, including gender. The studies investigated the relationships between age, processing speed, working memory and fluid intelligence. From the results, he developed a theory that looked specifically at how the transitions between optimal performances took place. Like Fischer, his SSR March 2017, 98(364) 77 Optimal learning in schools – theoretical evidence: Part 2 Updating PiagetCrossland BOX 1 Mediation and the zone of proximal development The zone of proximal development (ZPD) has been defined as ‘the distance between the actual developmental level as determined by independent problem solving and the level of potential development as determined through problem solving under adult guidance, or in collaboration with more capable peers’ (Vygotsky, 1978: 86). Using the metaphor of a brick wall with bricks missing to represent the parts of a concept a learner has not yet attained, the learner will not be able to successfully use their concept to solve a complex problem. If another learner also has a deficit in full understanding but in different parts of the concept (different bricks missing in their wall) then, during exploratory talk (Mercer, 2000), the pair can copy and swap bricks so that each of them attains a full brick wall and fully understands the nuances of the concept. The result is they solve the problem together when neither of them can solve it on their own. theory acknowledged the dynamics and selforganising properties of human action, feeling and thought, and recognised that individuals operate at multiple simultaneous cognitive levels as the rule rather than the exception. In his opinion, these variations are caused by differences in the experience that individuals have with different domains of knowledge and skills, and also by differences in the support (teaching) that they receive when interacting with the various domains. Optimal performance is a plateau in consolidating a particular type of thinking and performance. The period of growth or transition that follows moves the learner to increasingly more advanced thinking and performance. Table 1 summarises developments according to the different researchers at different ages of children. For example, Piaget sees children in a period of development from ages 2 to 6 that can be assessed as achieving a best performance at age 6 to 7. These research results show common patterns for the ages of transitions followed by spurts in development. They also dismiss a long-time argument with Bruner’s idea of development being continuous (McLeod, 2008). When their results are compared, a major difference is that Piaget’s formal period of operations was completed by the age of 15, but both Fischer’s and Demetriou’s research showed significant reshaping of the brain up to the age of 25, and the changes continued to correlate with improved performance. The main conclusion from the table is, however, that this new evidence from neuroscience supports the broad idea from Piaget that, as learners of school age grow older and develop, they add more advanced types of thinking to their repertoire. What is not supported is Piaget’s original concept of a whole-brain stage of development. It is what happens in each transition/growth period that is disputed. The transitions are contextspecific and the contexts include conceptual, social, emotional, cultural and individual factors. Social factors Piaget is famous for his interest in how individual learners develop their own thinking through a constructivist approach. However, Piaget also argued that, ‘children construct schemes of social reaction just as they construct schemes relating to the world of objects … Unfortunately, the abstruseness of his conceptions interferes with his effective communication. Also, uncharacteristically, Piaget provided few examples.’ (DeVries, 1997). As a result, Piaget’s social theory had little impact on classroom practice. However, Piaget’s contemporary, Vygotsky, was more influential. Vygotsky (1978) focused Table 1 Broad school-age results brought together Researcher Piaget Fischer Demetriou 78 Development period (ages) Transition (growth) Optimal performance Transition (growth) Optimal performance Transition (growth) 2–6 4–6 2–6 6/7 6 6 7–11 6–9 6–11 11/12 10 11 12+ 11+ 12+ SSR March 2017, 98(364) Crossland Optimal learning in schools – theoretical evidence: Part 2 Updating Piaget Figure 1 Exploratory talk accelerates cognitive development on the social and cultural aspects of learning, known as ‘social constructivism’. It laid emphasis on the part played by language and other people in enabling learning. His ideas of the zone of proximal development (see Box 1) and teacher– learner mediation have had a significant impact on improving classroom practice (Crossland, 2010a). Vygotsky in his last published work introduced the concept of an affective (social and cultural) dimension to the zone of proximal development. The article (Crossland, 2010a) also highlights the importance of promoting cognitive development through the affective aspects of exploratory talk and learner–learner mediation in small groups, with teacher non-intervention (Figure 1). So, in terms of the social aspects of learning, Vygotsky’s ideas are just as useful as Piaget’s for informing optimal learning. Emotional factors ‘Neuroscience provides substantial evidence for the fundamental role of emotion in learning that settles long-standing ideological debates about whether educators should be responsible for emotional development’ (Hinton, Miyamoto and della-Chiesa, 2008). In a meta-analysis of 213 mainly US social and emotional learning programmes, Durlak et al. (2011) found significant improvements in social and emotional skills, attitudes to learning and school, and academic performance, compared with the control groups. In a small-scale study Morra, Parrella and Camba (2011) found that emotional comprehension develops with age. The capacity of working memory (Baddeley’s model, as discussed in Part 3 (Crossland, 2017)) itself can be developed through teaching (Gathercole and Alloway, 2008). Emotional comprehension is considerably impacted by the development of working memory through its decisive role in transforming external stimuli into understanding mental aspects of emotion: for example, the reaction to an unusual noise. Sitting alone in the daytime, the unusual noise leads to the body’s heightened awareness of the senses and is interpreted through working memory as curiosity. An unusual noise in the middle of the night also raises the body’s awareness and it is interpreted as anxiety or fright. These views corroborated the action research (Crossland, 2010a), where advanced skills teachers (ASTs) were convinced that teaching learners group-working skills, using a hierarchical framework developed and tested in their classrooms, accelerated the emotional development of the learners (greater detail will be given in Part 4). The framework was found to be a good match to Goleman’s model (1996) of emotional intelligence. In Crossland (2010b), the big picture model of the brain showed that teachers must consciously plan the emotional context for learning as a prerequisite for effective cognitive development. So, teachers who believe they are only involved in teaching a subject must reassess this belief and plan the involvement of both social and emotional development to produce optimal learning. For a range of evidence from nine different countries, see OECD (2015) and the EEF Toolkit ‘Social and emotional learning’ (+4 months progress) (EEF, n.d.). Cultural factors Humans arrive in the world with a brain that is predisposed to learn and store useful patterns of experience that soon evolve into concepts and expertise. In normal conditions, most children are highly inquisitive and naturally attentive to whatever they find interesting. Instinctively, they attend to what humans around them are doing. Human voices and faces have an irresistible attraction; within a year most children are expert at reading intonations and expressions and copying and tuning their own interactions accordingly. SSR March 2017, 98(364) 79 Figure 2 Optimal learning in schools – theoretical evidence: Part 2 Updating PiagetCrossland Cyclical Model of the Mind and Brain Development for School Aged Learn (Adapted from Demetriou 2014) Through networks of mirror cells, human adulthood brains are ‘hard wired’ to copy the actions and intentions of others (Crossland, 2010b). So, modelling by the teacher is a powerful way to 14 both introduce and consolidate learning. Learners are very adept at picking up the hidden messages from modelling, even if this was not the secondary cycle of education principles teacher’s intention. For example, non-specialist teachers may inadvertently intimate by gesture 11 and demeanour that physics is analytical and difficult; females in the teenage years, being primary cycle of more attuned to emotional nuances, may pick up education concepts 6 this message more than boys and choose not to age study physics post-16. Although each of us has a unique genetic alignment inheritance and an increasingly understood flourishing subcycle subcycle epigenetic inheritance, there is a great deal of correlates with correlates with evidence confirming the phenomenal flexibility increased increased speed working (plasticity) of the brain to evolve dynamically of processing memory within a specific cultural setting. Learners all capacity bring a set of cultural understandings, perspectives Figure 2 Cyclical model of mind and brain and expectations to school. development for Mind school-aged learners (adapted Every school also has a cultural landscape Figure 2. Cyclical Model of the and Brain Development forfrom School Aged Lea Demetriou, Spanoudis and Shayer, 2014) (Adapted from Demetriou 2014) within and outside the community. The ways in which learners learn cannot be separated from these cultural contexts. So a clash between the step forward in redefining the development of learner’s culture and the school culture will the mind and brain in terms of relevance to the adversely affect learning. How the teacher classroom (Figure 2). in the classroom alleviates this is extremely In terms of the general population, Demetriou complex. There are the well-known problems in (Demetriou, Spanoudis and Shayer, 2014) teaching evolution to learners from families with summarised neo-Piagetian research by identifying: creationist views. There are similar problems when teaching about rocks and minerals and a number of powerful phenomena in intellectual how they were formed, because these learners development, including: will have difficulty believing that the age of 1. Thought develops systematically from the Earth is older than 5000 years. However, birth to adulthood through a series of for those individual learners, the resolution cycles. Each begins with a new kind of of this cultural conflict is a major factor in representation at the beginning. There is planning their cognitive development to produce general agreement that there are four cycles, optimal learning. which start approximately at birth, 2, 6 and 11 respectively. The developing mind and brain 2. Processing speed, working memory and Demetriou’s latest thinking (Demetriou, executive control develop systematically Spanoudis and Shayer, 2015) builds on his during this age range. Processing becomes previously peer-reviewed publications that are increasingly faster, working memory stores based on substantial and long-term research increasingly more information and executive studies. He explores the relationship between control becomes increasingly more focused, the developing mind and the developing brain flexible and efficient. in terms of the general school population. The 3. The awareness of mental processes [such as (difficult-to-follow) logical progression in the metacognition: my connotation] becomes detail of his research shows that this is work in increasingly accurate and refined. progress, but the model produced is an important 80 SSR March 2017, 98(364) Crossland Optimal learning in schools – theoretical evidence: Part 2 Updating Piaget However, these phenomena do not develop in direct and linear causal relationships, they interweave within the cycles of development in Demetriou’s 2015 theoretical model. The mind and brain have synchronous development, occurring over four major cycles. Each major cycle has two further subcycles of development. The model is based on equating a large number of learners aged 4–16 on processing speed, type of thought and workingmemory performance. Baddeley’s model of working memory (as explained in Part 3) is extremely important for teachers to understand because of its central relevance to learning and therefore its implications for classroom practice (Crossland, 2010a). In general, the first subcycle is a flourishing of development related to an increase in brainprocessing speed. This flourishing is heavily influenced by experiences and therefore drives individual differences (discussed in Part 3). The second subcycle is an alignment of the flourishing experiences to each other and related to increases in working memory that prepares the brain for the next major cycle of development. However, the cyclical influence of both working memory performance and speed of processing are themselves mediated by the phenomenon of mental awareness. So working memory and speed of processing may be correlated to the subcycles but, as mentioned earlier, they do not cause the changes: deeper mental processes are involved. Demetriou named these processes cognisance, although he did not provide a clear definition of the processes of cognisance. From my perspective, cognisance is the dynamic system driving development and must have substantial genetic and epigenetic components combined with first-hand experiences from the environment as well as influence from the individual self. Cognisance also drives learning, operating substantially at the pre-conscious level but with an added consciously organised accelerating effect. The preconscious and conscious mechanisms for accelerating learning include metacognitive monitoring, control and evaluation. So, like Demetriou, I define metacognition as happening during and after the action, which is an expansion of Piaget’s definition. Concepts cycle For the majority of learners, the concepts cycle continues developing through early secondary school. Early primary school learners (from 6 years of age) begin the third major cycle of development named ‘concepts’. It is characterised by the flourishing of language-based mental representations integrated into rule-based concepts as the result of experiences. For example, at the water table or sink at school or in the bath at home, these experiences lead to the rule in floating and sinking that heavy objects sink, a single variable solution. The alignment subcycle (from 8 years of age) is characterised by an alignment of the concepts to produce systematic logical inferences. For example, in floating and sinking, the outcome depends on the weight and in some circumstances the shape (volume). However, they do not understand how the two variables weight and volume work in combination. Also, they cannot associate the logic behind the inferences, so, although they can explain problems in familiar concrete circumstances, they cannot explain unknown contexts such as floating a pin on water or a floating cruise liner weighing 100 000 tonnes. Learners are aware of the mental processes involved in development and learning and they are better at being metacognitive about others’ thoughts and actions rather than their own (to be discussed in Part 4). Principles cycles This is the final major cycle and begins in secondary school (from 11 years of age). At the beginning of the flourishing subcycle only the top 5% of the ability range are fully aware of Archimedes’ principle for floating and sinking, that is, the outcome depends upon the relative densities of the entities involved. This subcycle is characterised by a flourishing of abstract concepts being integrated into higher-order language or arbitrary (mathematical) conceptual systems (principles) allowing each concept to be viewed from another’s point of view and evaluated for validity. Learners are aware of logical constraints and principles. The alignment subcycle (from 14 years of age to adulthood) is when these abstract concepts are progressively related to each other and reality. This leads to higher systems of principles containing SSR March 2017, 98(364) 81 Optimal learning in schools – theoretical evidence: Part 2 Updating PiagetCrossland counterintuitive logical relations, including an explicit grasp of metalogic, that is, the study of the properties of the logical systems. Learners are able to construct valid and sound arguments, for example analysing and explaining the stability of direction for a spinning gyroscope, explaining the control of blood glucose levels by the α and β cells in the pancreas or using Raoult’s law for explaining melting and boiling points. Demetriou et al. (2015) found that the ‘type of thought was more closely related to age than working memory, performance or processing speed’. So, in development terms, the parts of working memory he tested did not have a great influence on development. To be fair to Demetriou, he states in the discussion section that much more research is required. For example, he did not collect data for all parts of Baddeley’s model of working memory, such as the development of the spatial aspects of visual working memory. There are other parts of working memory that it is not yet possible to test because there are no generally accepted methods for testing all of the distinct parts (discussed further in Part 3). Demetriou’s model of development may not yet be the complete story but it is of great interest to teachers in understanding the broad development changes taking places in the learners they are teaching. Summary Following the historical fate of many theories, Piaget’s ideas are not being thrown away but brought into the 21st century. Piaget was correct in identifying different types of thinking accumulating with age and experience. However, his original idea about whole-brain stages of development is not fully compatible with the current evidence from cognitive psychology and neuroscience and has been replaced by the concept of cycles of development. In the general population, these cycles are statistically significant periods of optimal performance leading to spurts in transitions to new types of thinking and performance. Many aspects of Piaget’s theory of learning are still important for teachers in order to improve their classroom practice. The conclusions so far have been based on population-related 82 SSR March 2017, 98(364) statistics with implications for providing increased opportunities for optimal learning in the classroom. In addition to those items summarised at the end of Part 1, recent evidence has added that: l reshaping of the brain and mind continue their l l l l l cyclical development from early school age, throughout puberty to the mid-20s (Demetriou et al., 2015) (educational and curriculum implications are covered in the remaining parts of the series); as learners grow older they add more advanced types of thinking within specific contexts (Demetriou et al., 2015); planning emotional learning is a vital prerequisite for optimal lear ning (EEF Toolkit ‘Social and emotional learning’ (+4 months progress), EEF, n.d.); the way learners learn is difficult to separate from their cultural heritage; an essential prerequisite when planning tasks for optimal learning to accelerate cognitive development is the encouragement of social construction (Vygotsky, 1978) through discussion in collaborative groups; good teachers make a difference to the rate of cognitive development (Demetriou et al., 2015), and for Hattie (2015) the most important barrier to school improvement is the variability in effectiveness of teachers within the same school. The most important factor for improving achievement is when teachers increase the range of their styles of teaching (Hattie, 2015: 16). So far, this series of articles is asking teachers to experiment with adding: a Piagetian constructivist approach; cognitive conflict (see Part 1) not undermined by teacher intervention that explains/tells the solution or the method for reaching a solution; collaborative group work (Hattie, 2015: 13) using Vygotsky’s social construction with its learner mediation and exploratory talk (EEF Toolkit ‘Collaborative learning’ (+5 months progress), EEF, n.d.). Acknowledgement I am grateful to Michael Shayer, King’s College London, and Sue Crossland (MFL teacher) for commenting on an earlier draft. Crossland Optimal learning in schools – theoretical evidence: Part 2 Updating Piaget References Crossland, J. (2010a) Working memory and learning. School Science Review, 92(338), 105–112. Crossland, J. (2010b) Brain biology and learning. School Science Review, 91(337), 99–107. Crossland, J. (2016) Optimal learning in schools – theoretical evidence: Part 1 Piaget’s theoretical background. School Science Review, 98(363), 115–122. Crossland, J. (2017) Optimal learning in schools – theoretical evidence: Part 3 Individual differences. School Science Review, 98(364), 85–91. Demetriou (2006) Neo-Piagetische ansatze (Neo-Piagetian theories of cognitive development). In Theorien, Modelle, und Methoden der Endwicklungpsychologie. Volume of Enzyklopadie der Psychologie, ed. Schneider, W. and Wilkening, F. pp. 191–263. Gotingen: Hogrefe-Verlag. Demetriou, A., Spanoudis, G., Shayer, M., Mouyi, A., Kazi, S. and Platsidou, M. (2013) Cycles in speedworking memory-G relations: towards a developmentaldifferential theory of the mind. Intelligence, 41(1), 34–50. Demetriou, A., Spanoudis, G. and Shayer, M. (2014) Inference, reconceptualization, insight and efficiency along intellectual growth: a general theory. Enfance, 3, 365–396. Demetriou, A., Spanoudis, G. and Shayer, M. (2015) Mapping mind-brain development. In Neurotechnology and Direct Brain Communication, ed. Farisco, M. and Evers, K. London: Routledge. DeVries, R. (1997) Piaget’s social theory. Educational Researcher, 26(2), 4–17. Durlak, J. A., Weissberg, R. P., Dymnicki, A. B., Taylor, R. D. and Schellinger, K. B. (2011) The impact of enhancing students’ social and emotional learning: a metaanalysis of school-based universal interventions. Child Development, 82(1), 405–432. EEF (n.d.) The Sutton Trust–Education Endowment Foundation Teaching and Learning Toolkit. London: Education Endowment Foundation. Available at: https:// educationendowmentfoundation.org.uk/resources/ teaching-learning-toolkit. Fischer, K. (2008) Dynamic cycles of cognitive and brain development: measuring growth in mind, brain, and education. In The Educated Brain, ed. Battro, A. M. and Fischer, K. W. Cambridge: Cambridge University Press. Gathercole, S. E. and Alloway, T. P. (2008) Working Memory and Learning: A Practical Guide. London: Sage. Goleman, D. (1996) Emotional Intelligence. New York: Bantam Books. Hattie, J. (2015) What Works Best in Education: The Politics of Collaborative Expertise. London: Pearson. Available at: www.pearson.com/content/dam/ corporate/global/pearson-dot-com/files/hattie/150526_ ExpertiseWEB_V1.pdf. Hinton, C., Miyamoto, K. and della-Chiesa, B. (2008) Brain research, learning and emotions: implications for education research, policy and practice. European Journal of Education, 43(1), 87–103. McLeod, S. A. (2008) Bruner. Available at: www. simplypsychology.org/bruner.html. Mercer, N. (2000) Words and Minds: How we Use Language to Think Together. London: Routledge. Morra, S., Parrella, I. and Camba, R. (2011) The role of working memory in the development of emotion comprehension. British Journal of Developmental Psychology, 29, 744–764. Organisation for Economic Co-operation and Development (OECD) (2015) Skills for Social Progress: The Power of Social and Emotional Skills. Available at: www.oecd.org/ edu/ceri/skills-for-social-progress-key-messages.pdf. Vygotsky, L. S. (1978) Mind in Society: The Development of Higher Psychological Processes. Cambridge, MA: Harvard University Press. John Crossland is a retired educational consultant but his website is still live and access is available to a range of freely downloadable educational resources: www.johncrossland.com. Email: [email protected] SSR March 2017, 98(364) 83 Supplying science equipment, resources and consumables to education. 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