The selection of a research design weighs heavily on multiple forms of validity, except for internal validity, which is a factor independent of design considerations.

Occupational therapy (OT) has multiple barriers that inhibit it from being recognized as an evidence-based profession from an international perspective. Which of the following is not a recognized barrier for OT?

There are multiple strategies that therapists may utilize to overcome barriers to evidence-based practice. Which of the following guidelines for therapists is not an evidence based recommendation?

Which of the following statistical measures is not a quantification of effect size?

Describing melodies: The span between from the lowest note and the highest note of a melody is: [answer1]. The trajectory or direction of the pitches in terms of highness and lowness (“is this note higher or lower than the last note?”) is: [answer2]. The intervallic relationship between adjacent pitches in a melody is: [answer3]

A two-group posttest-only randomized experiment relies on groups being probabilistically equivalent.

The manner in which a pitch is begun, sustained, and released is:

In comparison to an experimental design, quasi-experimental designs have an additional threat to validity through introducing the risk of producing:

When calculating a sample size, which of the following statements is incorrect regarding the relationship among variables?

In experimental research, investigators manipulate a dependent variable in order to observe and measure the effect on any independent variables of interest.