q

1. symbol for studentized range statistic.

2. symbol for the probability of failure in a binary trial: q = 1 – p.

Q

1. see Cochran Q test

2. see Yule’s Q.

3. symbol for a specific quartile (e.g., Q₁, first quartile; Q₃, third quartile).

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Psychology term of the day

March 18th 2025

Watson–Glaser critical thinking appraisal

a measure of critical thinking in which participants are asked to read and evaluate various statements, such as arguments, theses, problems, and interpretations. [Goodwin B. Watson (1899–1976) and Edward Maynard Glaser (1911–1993), U.S. psychologists]