MathNoise | R Documentation |
In this experiment, hyperactive and control students were given a mathematics test in either a quiet or loud testing environment.
A data frame with 40 observations on the following 3 variables.
score on a mathematics test
a factor with levels hi
lo
a factor with levels control
hyper
Sydney S. Zentall and Jandira H. Shaw, Effects of classroom noise on perfor- mance and activity of second-grade hyperactive and control children, Journal of Educational Psychology 72 (1980), no. 6, 830.
data(MathNoise)
xyplot (score ~ noise, data = MathNoise, group = group, type = 'a',
auto.key = list(columns = 2, lines = TRUE, points = FALSE))
gf_jitter(score ~ noise, data = MathNoise, color = ~ group, alpha = 0.4,
width = 0.1, height = 0) %>%
gf_line(score ~ noise, data = MathNoise, color = ~ group, group = ~ group,
stat = "summary")
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