This dataset is from a study to assess auditory differences between environmental sounds given several other factors.
data(auditory)
This data frame consists of 3 variables on 20 subjects:
pre.test
The subject's pre-test score.
gain
The gain in auditory score between the pre- and post-test administration of the treatment.
Culture
A cultural status indicator of individuals, where 1 means the subject is from a "culturally-nondeprived" group and 0 means the subject is from a "culturally-deprived" group.
Young, D. S. (2017), Handbook of Regression Methods, CRC Press.