The probability of rejecting a false null hypothesis is referred to as
a. power.
b. potency.
c. serendipity.
d. sample.
As sample size increases,
a. research becomes less valid.
b. the ability to detect statistically significant differences among groups.
c. average scores on the dependent variable increase
d. scores on the independent variable decrease
If human participants cannot be selected randomly,
a. then select with a conscious bias and keep that in mind when interpreting data.
b. then use non-human participants so you can get them at your convenience.
c. it is imperative to match participants to each other (individual matching).
d. it becomes more important to report exactly how participants were selected and
assigned.
When selecting participants from a population, experimenters need
a. to be concerned about differences between volunteers and nonvolunteers.
b. not worry about random selection with children
c. not worry about representativeness if a large sample size is used.
d. all of the above.
Reporting of details regarding participant characteristics, selection, and assignment procedures
a. violates conditions of anonymity and is therefore considered unethical.
b. is important to enable other researchers to replicate your findings.
c. is considered superfluous and unnecessary given space limitations in most journals.
d. is not important.
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