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.
Lake 226 at the Experimental Lakes Area divided in half.
Absorption & Stripping Design Random packing materials
Rational design of neuraminidase inhibitors
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (b)
EXPERIMENTAL INSIGHT
The Meselson–Stahl experimental results