In this experiment, hyperactive and control students were given a mathematics test in either a quiet or loud testing environment.
Format
A data frame with 40 observations on the following 3 variables.
- score
score on a mathematics test
- noise
a factor with levels
hi
lo
- group
a factor with levels
control
hyper
Source
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.
Examples
data(MathNoise)
#> Warning: data set ‘MathNoise’ not found
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")
#> No summary function supplied, defaulting to `mean_se()`