Tracy is great at directing people. According to the Oregon Vocational Interest Scales, which career path suits her best?

If an experimenter were to subtract a mean from one population's distribution of means and subtract it from a mean from another population's distribution of means a large number of times, the resulting distribution would be a(n) __________

Fill in the blank(s) with the appropriate word(s).

If a theory is falsifiable, then which of the following is true? a. It is too vague to be useful

b. We can imagine evidence that would contradict it. c. Scientists have replaced it with a better theory. d. It makes interpretations that are not parsimonious.