Investigation Aims, Questions, Hypotheses, and Variables (VCE SSCE Psychology): Flashcards
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Investigation aim
Investigation aim
Purpose statement of study including variables studied
Hypothesis
Hypothesis
Statement of probable outcomes based on current theory
3 key parts of hypothesis
3 key parts of hypothesis
IV & DV, strength/direction, comparison of groups
Independent variable (IV)
Independent variable (IV)
Variable researcher manipulates, controls, or changes
Dependent variable (DV)
Dependent variable (DV)
Variable researcher measures as the outcome
DV relationship to IV
DV relationship to IV
The dependent variable depends on the independent variable
Extraneous variables
Extraneous variables
Variables (other than IV) that may unwantedly affect DV
Controlled variables
Controlled variables
Variables held constant to isolate IV's effect on DV
Confounding variables
Confounding variables
Uncontrolled variables that affected DV; can't determine cause
Controlled experiment
Controlled experiment
Tests IV effect on DV with other variables controlled