A person's height is often considered an interval variable. However, because in practice height is measured with some instrument, it might only be possible to measure someone to the closest centimetre. Thus, even if height theoretically could be conceived of as a continuous variable, in practice it is a(n) ____________ variable.
a. Still continuous
b. Discrete
c. Contiguous
d. Indiscrete
b. Discrete
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If you hypothesized that the experimental group would perform better that the control group, the statistical test is:
a. bidirectional. b. one-tailed. c. two-tailed. d. significant.
In regard to Kohlberg's levels of moral reasoning,
A) all people reach the same end point. B) there are ten levels, each with three stages. C) people move through them in a variety of orders. D) the pace is different for each individual.
Your sister and brother-in-law just had a baby. They were a bit confused because they were told that their baby had a score of 7 and then a 10. They didn't understand what the score was and what it measures. What would you tell them?
A. Those were scores that all doctors and nurses use to indicate attractiveness of the newborn. B. Those scores were estimates of later intelligence and range from 1 to 10. C. Those were scores for the Apgar scale, which is used to assess neonatal health. D. Those particular scores indicate how pink a neonate is.
What percentage of 1-year-olds fall into the ambivalent attachment classification?
A. 10 to 15 percent B. 15 to 20 percent C. 5to 10 percent D. 5 to 15 percent