Warren randomly assigned 60 participants to describe a positive childhood memory, a negative childhood memory, or a neutral childhood memory and then complete a mood questionnaire. Warrens wants to compare the "neutral condition" with the other two conditions. Which statistic is appropriate to use?

Question

Quizplus · Accepted Answer

A planned contrast is appropriate because Warren has specific hypotheses about the differences between the neutral condition and the other two conditions (positive and negative). This allows for direct comparison of the neutral condition against the combined effects of the other conditions, fitting the scenario described.

Warren Randomly Assigned 60 Participants to Describe a Positive Childhood