Answer the following statement(s) true (T) or false (F)
A statistic is unbiased when its expected value equals the parameter it estimates.
Ans: T
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What is one of the limitations in the use of a heritability ratio?
a. It cannot be generalized to the whole population. b. It reflects only theoretically diverse environments. c. Its calculation ignores environmental variance in a sample. d. It can only be used to describe biological characteristics.
The Werther syndrome, choreomania, tulipmania, and biting mania are all examples of
a. rumors. b. psychogenic illness. c. rioting. d. mass hysteria. e. collective consciousness.
Most of the early major theories of stress, such as Seyle and Cannon, paid more attention to the psychological changes in the mind that accompany the experience of stress they physiological processes
Indicate whether the statement is true or false
In a token economy, tokens:
a. replace all reinforcers b. can be exchanged for other reinforcers at a later time c. can be used only with humans d. have been shown to be ineffective in producing desirable results