A Scientist Was Interested in the Success of a Newly

question 17

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.
-What can the scientist conclude from the output below?

• A)The type of drug taken had a significant effect on sleep.
• B)The type of drug taken had a significant effect on both quality of sleep and time taken to get to sleep.
• C)The type of drug taken had a small but significant effect on sleep.
• D)Taking Night Owl resulted in less time taken to fall asleep and a significantly better quality of sleep than the placebo.

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Definitions:

Polyandry

A type of marriage where a woman is simultaneously married to more than one man.

Polygyny

A form of marriage in which a man is allowed to have more than one wife.

Polygamy

The practice or condition of having more than one spouse at the same time.

Monogamy

Monogamy is a relationship or mating system in which an individual has only one partner during their lifetime or at any one time.