Research Methods (part1) 0.0 / 5 ? PsychologyQuizUniversityNone Created by: Paula379Created on: 28-12-17 20:31 Define 'Psychology'. The scientific study of the human brain, mental life and behaviour. 1 of 20 What are qualities of good research? Reliability, validity, public, cumulative and parsimony. 2 of 20 Define 'Cumulative'. Research that builds upon existing knowledge/theory. 3 of 20 Define 'Parsimony'. Theories that provide simplest, most economical and efficient explanation of the facts. 4 of 20 What is an independent variable? Variable that is experimentally manipulated. 5 of 20 What is a dependent variable? Variable that is measured. 6 of 20 What are extraneous variables? Factors that might influence DV/behaviour being studied. 7 of 20 What are ceiling effects? The task is too easy, all scores are very high disguising any differences. 8 of 20 What are floor effects? The task is too difficult, all scores are very low disguising any differences. 9 of 20 What is statistical conclusion validity? Degree to which assumptions made by statistical test are/are not met by the data. 10 of 20 What is construct validity? Degree to which a study tests what it claims. 11 of 20 What is external validity? Extent to which results can be generalised beyond the context of the study. 12 of 20 What are 3 different types of validity? Ecological, population and historical. 13 of 20 What is internal validity? Extent a study can rule out alternative explanations of results. 14 of 20 What threats to internal validity occur when a study extends over time? All. 15 of 20 Define 'History Effects.' An event (other than the manipulation) occurs between pre- and post-test and affects the study outcome. 16 of 20 Define 'Maturation Effects.' Participants naturally change between pre- and post-test. 17 of 20 Define 'Regression to the Mean.' Perform extremely poorly at pre-test, likely to improve at post-test independently from treatment. 18 of 20 Define 'Testing Effects.' Perform better at post-test because participants had practice. 19 of 20 Define 'Instrumentation Effects.' Performance at pre- and post-test differs because different measures are used. 20 of 20
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