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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?
external validity
is a line of best fit on a scatterplot.
bidirectional causation
absolute value
path analysis.
The coefficient of determination
.25
longitudinal design
The ____ problem prevents us from drawing causal conclusions because two correlated variables affect each other.
external validity
is a line of best fit on a scatterplot.
bidirectional causation
absolute value
path analysis.
The coefficient of determination
.25
longitudinal design
A regression line
external validity
is a line of best fit on a scatterplot.
bidirectional causation
absolute value
path analysis.
The coefficient of determination
.25
longitudinal design
Cohen (1988) has argued that a coefficient of determination of ___ or more indicates a strong association between two variables.
external validity
is a line of best fit on a scatterplot.
bidirectional causation
absolute value
path analysis.
The coefficient of determination
.25
longitudinal design
The ____ of a correlation coefficient indexes its strength.
external validity
is a line of best fit on a scatterplot.
bidirectional causation
absolute value
path analysis.
The coefficient of determination
.25
longitudinal design
____ estimates the amount of variability in scores on one variable that can be explained by another variable.
external validity
is a line of best fit on a scatterplot.
bidirectional causation
absolute value
path analysis.
The coefficient of determination
.25
longitudinal design
A researcher creates models of possible causal relationships in
external validity
is a line of best fit on a scatterplot.
bidirectional causation
absolute value
path analysis.
The coefficient of determination
.25
longitudinal design
Both correlational designs and quasi-experiments are often higher in ____ than laboratory experiments.
external validity
is a line of best fit on a scatterplot.
bidirectional causation
absolute value
path analysis.
The coefficient of determination
.25
longitudinal design
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