A researcher records the number of mathematics problems answered correctly during a 15-minute period. This is an example of measurement on a ratio scale
a. True
b. False
Indicate whether the statement is true or false
True
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Higher levels of the neurotransmitter dopamine have been tentatively associated with which personality dimension?
A. low openness to experience B. high agreeableness C. low conscientiousness D. high extraversion
It is possible for a test to be valid but not reliable
Indicate whether the statement is true or false
To avoid the problem of restriction of range, the direction and the strength of a significant correlation should only be generalized to a population ______.
A. within the limited range of measurements observed in the sample B. within a restricted range of values determined prior to collecting data C. when the researcher can determine cause D. when all data in the population are collected
For exploring the environment, humans depend on ________ more than any other sense
A) touch B) hearing C) vision D) taste