The major benefit of random assignment is it
a. reduces the plausibility of alternative explanations for the observed effects.
b. makes it possible to observe the effects of an independent variable on another variable.
c. ensures that the sample chosen for a study is similar to the population from which the sample was drawn.
d. equates the groups before the experimental treatment begins.
e. a and d
E
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Indicate whether the statement is true or false
A criterion variable is also known as a(n) ______.
a. independent variable b. dependent variable c. nominal variable d. categorical variable
Instructional objectives guide students by helping them to
(a) identify important high level skills (b) discuss the lesson with each other (c) monitor their own learning (d) create teachable moments
On each subtest on the WISC-V, the student receives a scaled score, ranging from:
a. 1 to 10 b. 1 to 13 c. 1 to 19 d. 1 to 25