Puzzle completion times from Hays (1994)

Description

Puzzle completion time example data from Hays (1994).

Format

A data frame with 48 observations on 3 variables.

RT

Puzzle completion time, in minutes

ID

the subject identifier

shape

shape of the puzzle (round or square)

color

color content of the puzzle (monochromatic or color)

Details

Hays (1994; section 13.21, table 13.21.2, p. 570) describes a experiment wherein 12 participants complete four puzzles each. Puzzles could be either square or round, and either monochromatic or in color. Each participant completed every combination of the two factors.

Source

Hays, W. L. (1994), Statistics (5th edition), Harcourt Brace, Fort Worth, Texas

Examples

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data(puzzles)

## classical ANOVA
## Both color and shape are significant, interaction is not
classical <- aov(RT ~ shape*color + Error(ID/(shape*color)), data=puzzles)
summary(classical)

## Bayes Factor
## Best model is main effects model, no interaction
anovaBF(RT ~ shape*color + ID, data = puzzles, whichRandom = "ID", progress=FALSE)

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