We refer to the variability of scores around the group mean as ______.
a. subject variability
b. participant skew
c. sampling error
d. dependent error
Ans: A
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Shaun holds his finger up in front of his eyes at arm's length and focuses on the image. He slowly moves the finger toward his eyes, focusing his eyes to maintain a single image. As he does this, Shaun experiences muscular tension in his eyes. This is an example of which depth perception cue?
a. retinal disparity b. shadowing c. convergence d. relative size e. interposition
Preschool programs that emphasize _____ appear to be of the most benefit to children, especially those from disadvantaged families
a. play but not academic skill-building b. academic skill-building but not play c. academic skill-building and play d. overregularization and academic skill-building
What is the purpose of the critical value?
a. To define the minimum absolute z-value required for a sample to be in the region of rejection. b. To define the minimum absolute z-value required for a sample to be out of the region of rejection. c. To determine the likelihood that the population mean was obtained by chance. d. To determine the value of z needed to conclude that the population mean was obtained by chance.
Animals that are most in danger of extinction due to climate change are those that ______.
A. are reliant on freshwater B. hiberate when temperatures drop C. are primarily herbivores D. live in restricted ranges