PSYC 2017 Study Guide - Midterm Guide: Null Hypothesis, Null Character, Type I And Type Ii Errors
Document Summary
Any characteristic of an organism, environment, or experimental situation: variable that can vary. Continuous: discrete- come in whole unites: categories, no value in between. On/ off; family specific # of children: continuous- continual, differing levels varying b/w. Bush ext positive to ext negative: quantitative vs. qualitative e- # value. No # value: qualities; vary in kind: quantitativ, qualitative, discrete quantities- not continuous, but numerical ( # of kids, continuous quantity- reaction time, discrete qualitative- nationality: can"t be nationality, no , continuous qualitative- mood. Independent variable to the experimenter because it is hypothesized to be one of the causes of the presumed effect; produces the effect. Variable manipulated by the experimenter and of interest: 2 requirements to qualify, variation, must be manipulable ( 2 levels): not random under control, experimental manipulation i. Control over variable; give specific amt to one group/ other group get another amount. Ex post facto- can have 3rd b.
