Single-blind experiments control for __________.
A. neither subjects' nor experimenters' expectations
B. subjects' but not experimenters' expectations
C. experimenters' but not subjects' expectations
D. both subjects' and experimenters' expectations
Answer: B
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Why is the binocular depth system advantageous for predators?
a. ?It helps with the perception of continuity, even when an animal is well hidden. b. ?It helps an animal stand out against its background, even when it is well camouflaged. c. ?It helps colors appear more vibrant, even in very low light. d. ?It helps with motion detection, even for the slightest of movements.
In 1909, the FDA seized some Coca-Cola syrup and filed charges against the company partly because
A. the syrup contained cocaine. B. the syrup formula was secret. C. of the toxins in kola nuts. D. the syrup contained caffeine.
Although the amount of time young children spend watching television varies greatly,
a. they do not watch any television until they are three years old. b. their viewing patterns remain stable over the years. c. their viewing patterns vary week to week. d. they all watch at least nine hours of television per day.
The needs for love and affection are known as------------------- needs
a. affectional b. primacy c. commitment d. dependency