Answer the following statement(s) true (T) or false (F)

1. Preexposure to a conditioned stimulus retards the development of a conditioned response to that same stimulus compared with an unconditioned stimulus.
2. According to McIntosh, preexposure to the conditioned stimulus before conditioning produces learned irrelevance to the unconditioned stimulus.
3. The Rescorla–Wagner model cannot successfully explain the CS preexposure affect and the UCS preexposure affect.
4. Different amygdala circuits are activated by predictive and surprising events.
5. The procedure in which tone–shock follows rather than precedes tone light shock pairings is called backwards conditioning.


1. True
2. False
3. True
4. True
5. True

Psychology

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Development is defined as the

a. period of time between birth and adolescence. b. period during which a child becomes an adult. c. physical and psychological changes in an individual over a lifetime. d. physical and psychological changes that occur from conception to adolescence.

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On a roll of a die, the probability that 3 or more dots will appear on the top side is 0.67, and the probability that 2 or fewer dots will appear is 0.33 . If we know that 6 dots showed up on the last throw, what is the probability that 2 or 1 will show up on the next throw?

a. 1.00 c. 0.33 b. 0.83 d. 0.17

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Researchers created a mouse that is missing both copies of the Ob gene. This animal would be an example of a ___________ mouse.

A. knock in B. knock out C. conditional knock out D. conditional knock in

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Research has shown that people living with HIV who know of their infection, in contrast to those living with HIV who don't know they are infected, are less likely to take precautions to prevent HIV transmission.

Answer the following statement true (T) or false (F)

Psychology