S

SAT , 08.04.2022 18:32

A study took random sample of adults and asked them about their bedtime
habits. The data showed that people who drank a cup of tea before bedtime
were more likely to go to sleep earlier than those who didn't drink tea.
What type of study is this?

Step-by-step answers

Answered by an experienced expert Nitin Arora

This is an example of an Observational study

This study was a survey that looked at if people drank tea or not and when they went to bed.

The people were not randomly assigned to groups.

This was an observational study.

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