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Psych 12 - Research Methods and Design
Final
15
Psychology
Undergraduate 2
06/07/2009

Additional Psychology Flashcards

 


 

Cards

Term
One Factor Designs (2)
Definition
Inferential Statistics
Hypothesis Testing
Term
Inferential Statistics (2)
Definition
Systematic Variance
Error Variance
Term
Systematic variance (aka between-groups variance)
Definition
part of the total variance that reflects differences among the experimental groups
Term
Error Variance (aka within-groups variance)
Definition
the result of unsystematic differences among participants; they differ at the time they enter experiment, ability, personality, mood, etc.
Term
Systematic variance (2)
Definition
Treatment Variance,
Confound Variance
Term
Treatment variance
Definition
the portion of the variance in participants' scores that is due to the independent variable (aka primary variance)
Term
Confound variance
Definition
when a variable other than the independent variable differs between the groups (aka secondary variance)
Term
Sources of error variance (5)
Definition
individual differences
transient states,
environmental factors,
differential treatment,
measurement error
Term
total variance = treatment variance + Confound variance + _________
Definition
Error variance
Term
Total variance = systematic variance + ________
Definition
unsystematic variance
Term
Ideal experiment (3)
Definition
maximize treatment variance, eliminate confound variance, and minimize error variance
Term
Two types of hypothesis testing
Definition
research and statistical
Term
research hypothesis testing
Definition
what you think will be the outcome of the research; ex. Expressing gratitude will improve well-being
Term
Statistical hypotheses
Definition
mathematical statements concerning population values
Term
p > .05 means...
Definition
Fail to reject null hypothesis
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