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Artificial data created by Willett (1988) measuring changes in performance on a hypothetical "opposites naming" task over a four week period in a sample of 35 people.

Usage

opposites_naming

Format

A person-period data frame with 140 rows and 5 columns:

id

Participant ID.

wave

Wave of measurement.

time

Wave of measurement centred at time 0.

opposites_naming_score

Score on the "opposites naming" task.

baseline_cognitive_score

Baseline score on a standardized instrument assessing general cognitive skill.

Source

Willett, J. B. (1988). Questions and answers in the measurement of change. In E. Rothkopf (Ed.), Review of research in education (1988–89) (pp. 345–422). Washington, DC: American Educational Research Association. https://doi.org/10.3102/0091732X015001345