In a curriculum experiment, randomization would not be used to control the:
a. ability level.
b. reading performance.
c. artistic ability.
d. experimental treatment.
d
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The school newspaper reports that the GPA of athletes is slightly higher than the GPA of undergraduates in general. Suppose you want to use these data to argue that athletes are smarter than the average student. Someone else points out that intelligence ("smartness") is only one of several factors influencing GPA; others are self-discipline, tutoring, pressure from coaches, required class
attendance, and so on. Each of these latter factors is a potential ____ in any simple explanation of GPA. a. exogenous variable b. moderator variable c. placebo d. confounding variable e. discriminant variable
The ______ variable is the one that the researcher controls or manipulates in the experiment and the ______ variable is the outcome that is measured at the end of the experiment.
a. dependent; independent b. independent; control c. dependent; concluding d. independent; dependent
In the base ten system, 342 is represented by which of the following?
a. 3 + 4 + 2 b. 3 (102) + 4(10) + 2 c. 342 (102) d. (342 x 10) + 10
Before the Civil War most colleges were church related
Indicate whether the statement is true or false