Dr. Sums developed a test of mathematical ability. To measure __________, he split the test in two and compared children's responses on both halves
A) inter-rater reliability
B) test–retest reliability
C) internal validity
D) external validity
B
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There are 23 pairs of chromosomes in humans.
Answer the following statement true (T) or false (F)
Prior to 1997, the average length of survival for people after the onset of AIDS was
a. much longer than it is now. c. 7-10 years. b. unheard of. d. about 18-24 months.
In a sample that interviews only some of the individuals in a population, the mean or average income is properly termed a(n) ____
a. statistic b. parameter c. tendency d. true value
The results from research studies investigating the way in which the retina encodes information about the color of a visual stimulus support the theory of color vision known as:
a. trichromatic theory b. opponent-process theory c. akinetopsia theory d. gate-control theory