The three primary colours of light are:
A) white, red, and green.
B) red, green, and blue.
C) red, blue, and yellow.
D) white, red, and blue.
B) red, green, and blue.
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A researcher reports an independent-measures t statistic with df = 16 . How many participants were in the entire study?
a. 17 c. 33 b. 18 d. 34
Which of the following is included as a verbal subtest of the WAIS-III?
a. Picture completion b. Digit span c. Digit symbol d. Picture arrangement e. Object assembly
Random selection is to _______ as random assignment is to
a) external validity; internal validity b) internal validity; external validity. c) external validity; reliability. d) internal validity; reliability.
In which activity does competent decision making develop later, not becoming adultlike until the early 20s?
A. giving consent for research participation B. committing criminal acts C. voting D. making autonomous medical decisions