A quasi-independent variable
a. has only one level
b. is a characteristic of the participants
c. is not manipulated by the researcher
d. is an observed behavior
e. is held constant
Question 2
In a hierarchical multiple regression analysis
a. the researcher determines the order in which variables enter the analysis
b. predictor variables that account for more variance in the outcome variable enter the regression equation first
c. variables are entered into the regression equation in sets
d. only variables that increase R2 enter the regression equation
e. only predictor variables that predict unique variance in the outcome variable enter the equation
Researchers must inform potential participants of a study's procedures so that consent may be o
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Variable Gases: Ozone
Normal change in sea level
Light-independent reactions in C3 plants.
Light-independent reactions in C4 plants