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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.
A
scatterplot
B
frequency histogram
C
frequency polygram
D
pie chart
2) A regression line
A
is a line of best fit on a scatterplot.
B
depicts the typical score in a sample.
C
depicts a causal relationship between two variables
D
is the vertical axis on a scatterplot.
3) A researcher creates models of possible causal relationships in
A
longitudinal designs.
B
pretest/post-test designs.
C
path analysis.
D
factor analysis.
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?
A
cross-sectional study
B
longitudinal design
C
ex post facto study
D
cross-lagged panel design
5) Cohen (1988) has argued that a coefficient of determination of ___ or more indicates a strong association between two variables.
A
.25
B
.60
C
.50
D
.10
6) Both correlational designs and quasi-experiments are often higher in ____ than laboratory experiments.
A
manipulation of antecedents
B
imposition of units
C
internal validity
D
external validity
7) The ____ of a correlation coefficient indexes its strength.
A
direction
B
absolute value
C
probability
D
sign
8) The ____ problem prevents us from drawing causal conclusions because two correlated variables affect each other.
A
bidirectional causation
B
regression to the mean
C
causal direction
D
third variable
9) Which of the following does not describe a correlational study?
A
it uses data from the laboratory and/or the field
B
it allows researchers to measure the relationship between two variables
C
it allows researchers to make predictions
D
it allows researchers to infer causation
10) ____ estimates the amount of variability in scores on one variable that can be explained by another variable.
A
Multiple regression
B
The coefficient of determination
C
Simple correlation
D
Multiple correlation
*select an answer for all questions
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