Psychology - Approaches (Part 6) 0.0 / 5 ? PsychologyApproachesASAll boards Created by: georgia.hope10Created on: 14-10-15 10:31 352146 Across 1. a technique used to establish reliability by assigning items from one test randomly to two sub-tests (split-halves) the same person does both sub-tests simultaneously and their scores are compared to see if they are similar, (5, 4, 9) 3. some people have a greater or lesser chance of being selected than they should be, given their frequency in the population. (8, 4) 6. a part of a population selected such that it is considered to be a representative of the population as a whole. (6) Down 2. a snap shot study is a study which takes place over a short period of time, i.e. hours (possibly days) as opposed to a longitudinal study which takes place over a long period of time, i.e. weeks, months or even years. (8) 3. A modified version of random sampling in which the participants are selected in a quasi-random way e.g. every 100th name from a population list. (10, 8) 4. a technique used to establish reliability, by giving the same test to participants on two separate occasions to see if their scores remain relatively (4, 6) 5. a procedure in which participants are not informed of the condition in which they have been placed. (6, 5)
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