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Unit 5: Chapter 5

Test Description: Correlational and Quasi-Experimental Designs

Instructions: Answer all questions to get your test result.

1) A ____ visually depicts a relationship between two variables.

Ascatterplot Bfrequency histogram Cpie chart Dfrequency polygram

2) A regression line

Ais the vertical axis on a scatterplot. Bdepicts the typical score in a sample. Cis a line of best fit on a scatterplot. Ddepicts a causal relationship between two variables

3) A researcher creates models of possible causal relationships in

Apretest/post-test designs. Bfactor analysis. Cpath analysis. Dlongitudinal designs.

4) A researcher wants to study change in student attitudes towards body piercing across their 4 years of high school. Which quasi-experimental design should she use?

Alongitudinal design Bcross-sectional study Cex post facto study Dcross-lagged panel design

5) Cohen (1988) has argued that a coefficient of determination of ___ or more indicates a strong association between two variables.

A.50 B.25 C.10 D.60

6) Both correlational designs and quasi-experiments are often higher in ____ than laboratory experiments.

Ainternal validity Bmanipulation of antecedents Cexternal validity Dimposition of units

7) The ____ of a correlation coefficient indexes its strength.

Aabsolute value Bsign Cprobability Ddirection

8) The ____ problem prevents us from drawing causal conclusions because two correlated variables affect each other.

Acausal direction Bbidirectional causation Cregression to the mean Dthird variable

9) Which of the following does not describe a correlational study?

Ait allows researchers to measure the relationship between two variables Bit allows researchers to make predictions Cit allows researchers to infer causation Dit uses data from the laboratory and/or the field

10) ____ estimates the amount of variability in scores on one variable that can be explained by another variable.

ASimple correlation BMultiple regression CThe coefficient of determination DMultiple correlation

*select an answer for all questions

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