What happens to the shape of the chi-square distribution as the df value increases?
a. The mode (highest point) of the distribution moves to the right.
b. The mode (highest point) of the distribution moves to the left.
c. The mode (highest point) of the distribution does not move, but the distribution becomes more spread out.
d. The mode (highest point) of the distribution does not move, but the distribution becomes more tightly clustered around the mode.
A
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In construct validation,
a. a single variable can serve as the criterion. b. multiple studies are not required. c. no single variable serves as the criterion. d. the criterion remains static once defined.
The founders of the Center for Cognitive Studies ____.?
a. ?defined their position in opposition to the behaviorists b. ?did not know what cognition really meant c. ?located their facility at Harvard d. ?All of the choices are correct. e. ?None of the choices are correct.
A nerve impulse will be generated in the cochlea when:
A. movements of the basilar membrane stimulate the hair cells B. sound waves vibrate the ossicles C. the sound is recognized by the primary auditory cortex D. vibrations travel through the auditory canal
Chemicals that pass information across the tiny gap between neurons are called:
A) neurotransmitters. B) phytohormones. C) gasotransmitters. D) semiochemicals.