A two-way factorial design
A) is "two-way" because there are two variables that divide the groups being studied.
B) varies only in name from a one-way analysis of variance.
C) considers two levels of a single variable.
D) considers a single level of two variables.
A
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If we can apply Mark Rosenzweig's research on rats raised in impoverished or enriched environments to humans, then we would encourage humans to live in a(n)
a. environment that is deprived of unnecessary stimulation. b. environment that is full of stimulation when children, but not when adults. c. enriched environment even after childhood. d. stressful environment in order to strengthen the functioning of the hippocampus.
It has been reported that average scores on national exams, such as the Scholastic Aptitude Test (SAT), have declined in recent years
Researchers interested in exploring this intensively interview students who have just taken the exam, those who will take it next year, and those who took it five years ago. This method is ______. a. longitudinal c. biographical b. cross-sectional d. experimental