If H1 is nondirectional and the size of the effect of the independent variable decreases, the probability of making a Type I error _________
a. decreases
b. increases
c. equals zero
e. need more information
C
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Dynamic systems theory emphasizes the coupling of several systems as a child encounters problems and tasks in the world. It is the overlapping integrations of these systems are what account for development
Indicate whether the statement is true or false
In a fetus, which of the following develops at 16 weeks?
a. Fingers b. Stomach c. Lungs d. Bones
Heavy consumption of alcoholic drinks containing high concentrations of acetones and polyphenols may contribute to:
a. holiday heart syndrome. b. alcohol poisoning. c. alcohol stupor. d. symptoms of hangover.
A researcher designed an experiment to determine whether working under time pressure causes people to make more errors on moderately difficult math problems. In this study, the independent variable is
a. errors b. the difficulty of the math problems c. performance on math problems d. the time participants were given to complete the problems e. none of the above