Many years ago, telephone numbers had only four or five digits. Even now, no more than seven digits are used for phone numbers. The most reasonable psychological explanation for this is that ________________
a. there is a direct relationship between the number of items in the sensory registers and their retention
b. there is an inverse relationship between the number of items in the sensory registers and their retention
c. there is a direct relationship between the number of items in short-term memory and their retention
d. there is an inverse relationship between the number of items in short-term memory and their retention
Answer d % correct 11 a= 10 b= 3 c= 76 d= 11 r = .29
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Keeping a participant unaware of the purpose of the study in which they are participating is one way to help reduce the ___________ effect in research
a. placebo b. observer-expectancy c. subject-expectancy d. demand
When you drive a car, you have two pedals (in an automatic transmission!). One of them, the accelerator, makes the car move faster, and the other, the brake, slows the car down. In your peripheral nervous system,
the __________ is like the accelerator and the __________ is the brake. a. sympathetic nervous system; parasympathetic nervous system b. parasympathetic nervous system; sympathetic nervous system c. autonomic nervous system; sympathetic nervous system d. afferent nervous system; efferent nervous system