Christina was bitten by a black widow spider while retrieving some wood for her fireplace. Her abdominal muscles began to contract painfully, which was to be expected because black widow spider venom
a. inhibits release of acetylcholine (ACh) at the neuromuscular junction
b. competes with acetylcholine (ACh) at nicotinic receptor sites.
c. promotes greater than normal release of acetylcholine (ACh) at the neuromuscular junction.
d. interferes with GABA inhibition of the motor system by blocking receptors.
c
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The Asch effect would be expected to operate in cases where
a. there is secret balloting to decide the new class president. b. jurors discuss whether someone is guilty in a jury trial. c. an entire class is getting high grades on a psychology exam. d. people write responses to an essay contest on "Why I Love America." e. a doctor must determine her patient's diagnosis independently.
Children who later in life develop schizophrenia are more likely to show __________ in movies recorded earlier in their childhood.
A. more sociability B. euphoria C. less sociability D. less overall activity
A researcher wants to analyze the reliability of a survey that consists of multiple items used to measure the same construct to determine if all items measure the same construct. Which measure of reliability should the researcher compute?
A. central tendency B. Cohen's ê C. Solomon's â D. Cronbach's á
The harm done by teratogens ________
A) is straightforward and predictable B) is usually apparent at birth C) rarely goes beyond physical damage D) depends in part on age at the time of exposure