In an experimental design _____, whereas in a correlational design _____.
a. there is only one variable (the independent variable); there are two variables (X and Y)
b. there are two X variables; there are an X and a Y variable
c. researchers assign each person an X score and then measure the score on the Y variable; researchers measure scores on variables that a participant has already experienced
d. researchers measure scores on variables that a participant has already experienced; researchers assign each person an X score and then measure the score on the Y variable
Question 2
What does a correlation coefficient do?
a. It allows us to draw conclusions about whether one variable causes another variable.
b. It creates a correlational design, rather than an experimental design.
c. It quantifies the pattern in a relationship.
d. It summarizes the X scores and the Y scores separately.
Each experimental organism used in cell biology has advantages for certain types
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