A set of N = 4 scores has a mean of µ = 11 . If 8 points are subtracted from one of the scores, what is the new value for the population mean?
a. 13 c. 10
b. 11 d. 9
D
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Most psychological attempts to improve sports performance begin with
a. task analysis. b. analysis of coaches. c. analysis of athletes. d. none of these.
In his research on hunger and the brain, Dr. VanderZyl stimulates the lateral hypothalamus of his animal subjects. This stimulation
a. induces eating only in animals that have not eaten in a while. b. induces eating in animals, even if they are full. c. induces eating only in animals that have recently eaten but are still hungry. d. reduces eating in animals that are hungry. e. reduces eating in animals that are full.
Amelia is studying for her upcoming mathematics exam by mixing problem types during the same study session. For example, she might do a few route calculations, followed by a proof, followed by a few word problems. This form of studying is termed:
A) distributed practice. B) interleaved practice. C) elaborative interrogation. D) practice testing.
Suppose you flip 35 biased coins once. The probability of a head with each coin equals 0.30 . What is the probability you will get 15 or more heads?
a. 0.0485 c. 0.0495 b. 0.0446 d. 0.0548