Glossary 0.0 / 5 ? PsychologyGeneralASAQA Created by: annaspannerCreated on: 28-02-16 14:10 Sample The participants used in the study 1 of 17 Volunteer Participants self select. Participants volunteer themselves 2 of 17 Opportunity Selecting participants based upon who is available and willing rather than attempting to recruit target populations 3 of 17 Random Randomly selecting from within a apopulation 4 of 17 Systematic Instead of using a random method of selection we choose every Nth person 5 of 17 Stratified A strata is a sub group. Participants selected from sub groups within the population. Sample needs to accurately represent the whole population 6 of 17 Validity Refers to a tests ability to measure what it's supposed to meausre 7 of 17 Internal validity Refers to whether the effects observed are due to the manipulation of the independent variable and not a different factor 8 of 17 External validity Refers to the extent to which the results of a study can be generalised to other settings, other people and over time 9 of 17 Population validity How representative of the general population the sample was 10 of 17 Ecological validity Whether the findings of the study can be applied to real life situations 11 of 17 Historical validity Old studies may suffer from low historical validity as culture and society changes 12 of 17 Reliable How much can we trust the results to be correct. Unreliable studies have weak methodology and few controls 13 of 17 Mundane realism How close to real life are the materials and procedures used in a certain study? Can the findings of an experiment be applied to real life tasks? 14 of 17 Generalisable The extent to which the findings can be generalised to the rest of the population 15 of 17 Androcentric Refers to a bias in psychological research where it focuses on the male perspective 16 of 17 Ethnocentric Where the research focuses on one country, race or culture 17 of 17
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