A Scientist Was Interested in the Success of a Newly

Multiple Choice

A scientist was interested in the success of a newly developed sleep aid called 'Night Owl' on time taken to fall asleep and quality of sleep. She recruited 30 participants who were randomly allocated to receive either a dose of Night Owl or a placebo. The scientist measured the mean time taken for each participant to fall asleep (minutes) and the quality of their sleep (measured on a scale of 1 (poorest quality) to 10 (best possible quality) ) over the course of one week.
-How could the scientist analyse her data to investigate whether participants in the Night Owl group fell asleep faster and had a better quality of sleep than those in the placebo group?

A) Factor analysis
B) MANOVA
C) Two-way independent ANOVA
D) One-way Independent ANOVA