PSY 309 Test 2

Responding similarly on the same measure taken on different occasions demonstrates:

• Content validity

• Criterion validity

• Test-retest reliability

• Split-half reliability

Which type of test uses pooled variance?

• Independent-samples t-test

• Paired-samples t-test

• Linear regression

• Multiple regression

Entering the best predictor based on theory first uses what type of entry?

• Forced Entry

• Stepwise Backward Elimination

• Hierarchical

• Stepwise Forward Entry

Cronbach's alpha assesses:

• Internal reliability

• External reliability

• Internal validity

• External validity

____ is the variation in the outcome variables accounted for by the predictor(s)

• The F-statistic

• R-squared

If a survey on alcoholism predicts future drinking behavior, we can say it has high:

• Predictive validity

• Concurrent validity

• Content validity

• Face validity

Only sampling women as a way to eliminate gender as an extraneous variable uses:

• Matching

• Sampling error

• Repeated Measures

• Constancy

When calculating any statistic, what kind of variation goes in the numerator?

• Systematic

• Unsystematic

Starting with the statistical best predictor in your model uses:

• Forced Entry

• Stepwise Backward Elimination

• Stepwise Forward Entry

• Hierarchical

Comparing a group of rats who took cocaine with another group of rats who didn't would use:

• An independent samples t-test

• A paired samples t-test

• Linear regression

• Multiple regression