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.
The theoretical design of nature reserves, based on the tenets of island biogeography.
Elements of Experimental Design.
Experimental Analysis of Metabolism
Experimental identification of “coupling sites"
Modern house door design
The experimental protocol for recombination studies