In the example about sleep problems and hours spent on email, the primary problem with the sneaky researcher's ANOVA results was that:
A) there were only five cases in each group
B) three of the four groups had very similar means
C) the data were based on a non-random sample
D) he was comparing only two groups

Question

Quizplus · Accepted Answer

The primary problem with the sneaky researcher's ANOVA results was that three of the four groups had very similar means, suggesting that the email variable was not a significant predictor of sleep problems. Additionally, there may be other confounding variables that were not controlled for in the study. However, the size of the sample and the fact that the data were based on a non-random sample could also be potential issues. The fact that he was comparing only two groups is not applicable, as there were four groups in the study.

In the Example About Sleep Problems and Hours Spent on Email