______________ (is/are) a primary sexual characteristic in females
a. The breasts
b. Pubic hair
c. The fallopian tubes
d. Menarche
Answer: C
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We are encouraged to help others who have helped us because of the norms of __________
Fill in the blank(s) with correct word
When it comes to predicting a person's career success as an adult, how informative are traditional IQ tests?
A. They are highly reliable in predicting the success of business executives. B. They are moderately reliable in predicting the success of business executives. C. They are only marginally reliable in predicting the success of business executives. D. They are totally unreliable in predicting the success of business executives.
The law of specific nerve energies states that ____
a. perception of a repeated stimulus fades b. every stimulation of the optic nerve is perceived as light c. the speed of action potentials varies depending on the strength of the stimulus d. any stimulation above the threshold produces an action potential
How much must two means differ before we can consider the difference "real" and not due to chance? To answer this question, we must use
a. coefficients of correlation. b. tests of statistical significance. c. graphical statistics. d. random selection.