| OBrienKaiser {car} | R Documentation |
These contrived repeate-measures data are taken from Table 7 of O'Brien and Kaiser (1985). The data are from an imaginary study in which 16 female and male subjects, who are divided into three treatments, are measured at a pretest, postest, and a follow-up session; during each session, they are measured at five occasions at intervals of one hour. The design, therefore, has two between-subject and two within-subject factors.
The contrasts for the treatment factor are set to -2, 1, 1 and
0, -1, 1. The contrasts for the gender factor are set to
contr.sum.
OBrienKaiser
A data frame with 16 observations on the following 17 variables.
treatmentcontrol A BgenderF Mpre.1pre.2pre.3pre.4pre.5post.1post.2post.3post.4post.5fup.1fup.2fup.3fup.4fup.5O'Brien, R. G., and Kaiser, M. K. (1985) MANOVA method for analyzing repeated measures designs: An extensive primer. Psychological Bulletin 97, 316–333.
OBrienKaiser contrasts(OBrienKaiser$treatment) contrasts(OBrienKaiser$gender)