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Appendix 3<br />

Glossary of terms<br />

LSRC reference<br />

page 170/171<br />

a priori<br />

based on hypothesis or theory rather than experiment<br />

accommodation<br />

adapting actions to respond to new stimuli<br />

(in Piaget’s theory)<br />

affective<br />

characterised by emotion<br />

alloic<br />

other-oriented (in Apter’s reversal theory)<br />

analysis of variance<br />

a statistical method for testing for significant<br />

differences between groups of data, which may be<br />

‘explained’ by one or more variables<br />

analytic<br />

focusing on the parts of a whole or on underlying<br />

basic principles<br />

alpha (coefficient)<br />

a measure of internal consistency, to be interpreted<br />

as an average correlation coefficient, showing how well<br />

a set of test items ‘hangs together’<br />

assimilation<br />

absorbing new information and fitting it into existing<br />

knowledge (in Piaget’s theory)<br />

autic<br />

self-oriented (in Apter’s reversal theory)<br />

catalytic validity<br />

the extent to which those involved in research become<br />

motivated to understand and transform the situations<br />

in which they operate<br />

cerebral dominance<br />

an outdated theory, claiming that one half of the<br />

brain controls or takes precedence over the other<br />

cognitive<br />

concerned with the psychological processes<br />

of perception, memory, thinking and <strong>learning</strong><br />

conative/conation<br />

refers to effort, endeavour and the will to achieve<br />

concurrent validity<br />

support for the meaning of a construct or the value<br />

of a test, based on correlational evidence from another<br />

set of measurements taken at the same time<br />

construct<br />

abstract or general idea inferred from specific instances<br />

construct validity<br />

how far test scores can be interpreted as measuring<br />

only what they are intended to measure<br />

convergent thinking<br />

thinking directed at finding a single correct solution<br />

to a well-structured problem<br />

correlation<br />

a measure indicating how far two variables are<br />

totally unconnected (zero correlation), or are negatively<br />

(e.g.–0.5) or positively related, as determined by<br />

underlying or outside influences<br />

curvilinear<br />

in a curved line, expressing a non-linear relationship<br />

between variables<br />

deductive<br />

reasoning from a general statement or definition<br />

to a particular instance<br />

defence mechanism<br />

self-protective reaction to avoid distress or anxiety<br />

(in Freudian theory)<br />

diagnosis<br />

identifying the nature or causation of a problem<br />

dialectic<br />

involving a contradiction of ideas which acts as<br />

the determining factor in their interaction<br />

dichotomous<br />

dividing into two sharply distinguished parts<br />

or classifications<br />

disposition<br />

habit of mind, mood or attitude<br />

discriminant analysis<br />

a statistical method for assigning new cases to groups<br />

on the basis of characteristics shared by the members<br />

of existing groups<br />

divergent thinking<br />

exploratory thinking, seeking different possible ways<br />

of coping with ill-structured problems<br />

dyad<br />

pair<br />

ecological validity<br />

the quality of being well grounded in the reality<br />

of a particular context<br />

effect size<br />

a measure of difference or gain in average scores,<br />

whereby effect sizes of less than 0.2 are usually<br />

considered trivial; between 0.2 to 0.5 small; between<br />

0.5 and 0.8 moderate; and when 0.8 or more, large<br />

electroencephalographic (EEG)<br />

using a technique whereby electric currents generated<br />

by the brain are recorded through sets of electrodes<br />

glued to the scalp.<br />

epistemology<br />

the philosophical study of theories of knowledge

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