Blog

Watching/observing participants:

Which of the following terms relates to the extent to which a test measures what it is intended to measure:

Inclusion and exclusion criteria control for extraneous variables related to subject selection.

In a research study, patients are randomly assigned a unique identification number. These numbers represent a(n):

Intervention fidelity = consistency

Which one of the following statements is true about non-probability sampling techniques and probability sampling techniques?

Nominal scale includes gender, race, and marital status.

If you asked a convenience sample of subjects which of two types of chocolate they prefer and wished to compare the frequencies with an inferential test, which of the following would be appropriate?

The t-test is an example of which type of statistics?

At which level of significance can a researcher be the most confident that a real difference exits between two treatments?