Research suggests that having excessively high levels of optimism
a. is beneficial for romantic relationships
b. can be detrimental to psychological and physical health
c. is beneficial for psychological health only
d. is beneficial for physical health only
Ans: B
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A "trust-insurance system" in a relationship is when
a. both partners lack trust toward the other. b. one partner is over benefited. c. both partners keep an unconscious tally of the relationship's costs and benefits to maintain equity. d. one partner has a low comparison level for alternatives.
The generalization gradient obtained through testing following S+/S- discrimination learning in Exercise 44, using tones of 2.0 kHz (S+) and 2.25 kHz (S-), had its maximum at __________ kHz and minimum (minima) at __________ kHz.
a. 2.0; 2.25 b. 2.0; 2.5 c. 1.75; 1.0 and 2.0 d. 1.75; 1.0 and 2.25
What do dopamine, norepinephrine, and epinephrine share in common? a. They all affect the same receptors
b. They are all synthesized from the same amino acids. c. They are all released by the same neurons. d. They all are gases.
Saccadic eye movements occur once a second but iconic memory holds icons for up to four times a second
Indicate whether the statement is true or false