The mean of a random sample of scores is a point estimate of
A. the center of a distribution.
B. standard error of the mean.
C. the population mean.
D. population variability.
C. the population mean.
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People perceive vertical and horizontal orientations more easily than other orientations according to the
A. principle of size constancy. B. oblique effect. C. law of pragnanz. D. law of good continuation.
Melba is one of the unique individuals that has 4 kinds of cones. What is not true about Melba?
A. She must be female because having four kinds of cones requires two X chromosomes. B. She has two forms of the short-wavelength cone. C. She has two forms of the long-wavelength cone. D. She is better at making distinctions between one color and another compared to someone with three cones.
What is the difference between knowledge and information?
A) Knowledge is information that has been organized in memory B) Knowledge is less concrete than information C) Knowledge and information are two completely separate constructs D) There is no difference between knowledge and information
According to the text, nonexperimental research:
A. cannot be used to find a relationship between variables. B. includes designs not specifically aimed at identifying relationships between variables. C. always includes more than one independent variable. D. includes only research intended to find a relationship between variables.