A sample of n = 4 scores is selected from a population with ? = 40 with ? = 8, and the sample mean is M = 43 . What is the expected value for the sample mean?
a. 40 c. 8
b. 10 d. 2
A
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Calculating an inferential statistic will provide the location of our ______ in the population distribution of sample means for the null hypothesis.
A. sample mean B. population mean C. standard deviation D. sample distribution
Self-regulation seems to develop
a. after adolescence as a stable characteristic. b. early, but be unstable. c. develop early and remain stable. d. throughout the lifespan since it is unstable.
Measurement of EEG brain waves is especially helpful to identify the child's
a. inclination to tell lies. b. level of sleep or alertness. c. racial or ethnic identity. d. conscious thoughts.
When researchers need information on only one or a few kinds of behavior, an efficient procedure is
A) the clinical, or case study, method. B) neurobiological sampling. C) event sampling. D) ethnography.