Unit 5: Chapter 5 Question Preview (ID: 53035)
Correlational And Quasi-Experimental Designs.
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A ____ visually depicts a relationship between two variables.
a) frequency histogram
b) frequency polygram
c) pie chart
d) scatterplot
A regression line
a) depicts a causal relationship between two variables
b) depicts the typical score in a sample.
c) is a line of best fit on a scatterplot.
d) is the vertical axis on a scatterplot.
A researcher creates models of possible causal relationships in
a) factor analysis.
b) longitudinal designs.
c) path analysis.
d) pretest/post-test designs.
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-lagged panel design
b) cross-sectional study
c) ex post facto study
d) longitudinal design
Cohen (1988) has argued that a coefficient of determination of ___ or more indicates a strong association between two variables.
a) .10
b) .25
c) .50
d) .60
Both correlational designs and quasi-experiments are often higher in ____ than laboratory experiments.
a) external validity
b) imposition of units
c) internal validity
d) manipulation of antecedents
The ____ of a correlation coefficient indexes its strength.
a) absolute value
b) direction
c) probability
d) sign
The ____ problem prevents us from drawing causal conclusions because two correlated variables affect each other.
a) bidirectional causation
b) causal direction
c) regression to the mean
d) third variable
Which of the following does not describe a correlational study?
a) it allows researchers to infer causation
b) it allows researchers to make predictions
c) it allows researchers to measure the relationship between two variables
d) it uses data from the laboratory and/or the field
____ estimates the amount of variability in scores on one variable that can be explained by another variable.
a) Multiple correlation
b) Multiple regression
c) Simple correlation
d) The coefficient of determination
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