The central assumption of reliability theory is that
a) measurement errors are essentially random
b) measurement errors are not random
c) measurement errors are due to deficiencies in the test
d) measurement errors cannot be minimized
A
Psychology
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A repeated-measures study comparing two treatments with a sample of n = 4 participants produces a mean of M1 = 18 with SS = 24 for the scores in the first treatment, a mean of M2 = 14 with SS = 18 for the scores in the second treatment, and a mean of MD = 4 with SS = 12 for the difference scores. What is the estimated standard error for the sample mean difference?
a. 4 c. 2 b. 3 d. 1
Psychology
A theory that explains a wide variety of occurrences with very few explanatory concepts is said to
a. be correct. b. have high heuristic value. c. be parsimonious. d. be precise.
Psychology