Which of the following would not be accurate in describing a 2 x 4 x 5 factorial design?
a. The design has three independent variables.
b. One of the independent variables in the design contains four levels.
c. The design would be considered a three-way design.
d. The design would contain 40 potential main effects.
d
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For a severely skewed distribution, the median often provides a better measure of central tendency than the mean
Indicate whether the statement is true or false
Biological factors suspected of contributing to ASDs include:
a. abnormal brain wave patterns or seizures. b. increased activity in the frontal and temporal lobes. c. contact with lead or other heavy metals in-utero. d. vaccines, particularly those that include a mercury preservative.
The biggest flaw in the "swinging bridge" study is the fact that
A. people were coerced into participating in the experiment. B. men were not randomly assigned to the safe or scary bridges. C. the participants did not include women. D. outside the laboratory, it is too difficult to control for so many different variables.
A psychology teacher wants to determine whether computer-aided learning will produce higher standardized test scores than a usual lecture format. In this example, the dependent variable is the
a. individual students. b. students' previous grades in psychology. c. standardized test scores. d. students' interest in psychology. e. method of instruction.