Suppose you have the following population of scores: 2 2 2 4 5 6 9 10. What is the variance for this population?
A. 2.96
B. 8.75
C. 3.16
D. 10
Ans: B
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Which of the following is a frequent cause of erectile disorder in older men?
A. Vascular dementia B. Arrhythmia C. High blood pressure D. Elevated cholesterol
If a parent rejects a child when they misbehave, but gives approval when they behave, what are they demonstrating?
a. unconditional positive regard c. no regard b. positive regard d. conditional positive regard
Research on rods and cones has revealed that ________
a. the center of the retina contains a mixture of about 75 percent rods and 25 percent cones. b. there are about 120 to 125 million rods and about 7 or 8 million cones in the retina. c. the outer edges of the retina, which are responsible for peripheral vision, contain only cones. d. rods are more effective than cones in distinguishing different wavelengths of light.
According to the biopsychosocial approach, development is an interaction of the following factors:
A) biological, social, cultural. B) biological, psychological, social. C) biological, psychological, cultural. D) social, cultural, emotional.