A Researcher Uses a Repeated-Measures Study to Compare Two Treatment

question 42

Multiple Choice

A researcher uses a repeated-measures study to compare two treatment conditions with a set of 20 scores in each treatment.What would be the value of df for the repeated-measures t statistic?​

• A)​df = 18
• B)​df = 19
• C)​df = 38
• D)​df = 39

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Definitions:

Driving Distance

The quantified length of a journey or segment thereof, typically measured in units of distance such as miles or kilometers.

NHL Team

A professional ice hockey team that is a member of the National Hockey League, which is the premier professional ice hockey league in North America.

Average Attendance

The mean number of individuals present over a specified number of events or time periods.

Residual

The difference between an observed value and the predicted value given by a statistical model.