Advanced issues in experimental research 0.0 / 5 ? PsychologyRMUniversityNone Created by: ava234Created on: 05-05-22 14:44 What do survey and cross-sectional studies test for? Correlations 1 of 28 What do experiments and longitudinal studies test for? Causation 2 of 28 correlation is... the size and direction of a relationship between two or more variables 3 of 28 Causation is... indicates that one event is the result of the occurence of the other event. 4 of 28 all participants take part in every condition is... within subjects repeated measures 5 of 28 each participant only takes part in one condition... between subjects independent samples 6 of 28 independent variable is... the variable we manipulate 7 of 28 dependent variable is... the variable we measure 8 of 28 directional hypothesis direction of difference is stated 9 of 28 non-directional hypothesis direction of difference is not stated 10 of 28 validity does the test measure what it intends to measure 11 of 28 internal validity can the effect be explained by anything else 12 of 28 external validity can the results be generalised to a broader context 13 of 28 construct validity does the test measure the concept it is intended to 14 of 28 variables not being studied that may affect the DV extraneous variables 15 of 28 provide some examples of extraneous variables stress, motivation, mood, previous task experience. 16 of 28 what is a confounding variable an extraneous variable that affects the DV and is related to the IV 17 of 28 ceiling effect task is too easy 18 of 28 floor effect task is too hard 19 of 28 practice effects participants perform a task better in later conditions as they have had time to practice 20 of 28 fatigue effects participants perform worse in later conditions because they are tired and bored. 21 of 28 context effects being tested in one condition can change how they percieve stimuli in later conditions 22 of 28 habituation participants may become less sensitive to a stimuli through repetition 23 of 28 how can you reduce order effects? counterbalancing 24 of 28 maturation effects participants behaviour changes naturally over time 25 of 28 history effects something changes about the participants circumstances 26 of 28 testing effects having been tested before, they may have changed their answers. 27 of 28 how can you prevent these effects? use a control group 28 of 28
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