Why has there been little change in the average height in Western countries over the last few decades?
a. The population has become overweight or obese, which negatively affects height.
b. People in Western countries have been exposed to more diseases.
c. People have reached the upper boundary of their reaction range for height.
d. Evolutionary influences are causing all populations to decrease in height.
Answer: C
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Of the following correlation coefficients, the one that would allow the most accurate predictions of one variable based on the other variable would be
a. 0.00. b. +1.24. c. +0.65. d. -0.79.
A neuron's cell membrane could become positive through either an inflow of positive ions or an outflow of negative ions. Why is the inflow of positive ions the most logical method for this depolarization?
A. There are already too many protein anions outside of the cell. B. There are already too many chloride ions outside of the cell. C. There are too few potassium ions inside of the cell. D. The potassium ions are kept out of the cell by the sodium-potassium pump.
Which of the affirmative action strategies would involve an employer changing the company policy or the way an organization is decorated?
a. Identification of discriminatory practices b. Preferential hiring and promotion of minorities c. Recruitment of minority applicants d. Recruiting through employee referrals
Within Mischel’s CAPS theory, self-efficacy is an example of _______.
a. encoding b. expectancy c. goal d. self-regulation