A researcher decides to use three examiners to help collect data for a large quantitative study. Which of the following is a potential threat to the internal validity of the study?

Looking at the consistency of measurements between two or more examiners means that their __________________________ is being determined. What answer should fill the blank?

Research is essential for the delivery of quality dental care because:

A statistically significant difference between the independent and dependent variables means that the difference is due to:

Given the following scores of 1, 4, 4, 4, and 7, it can be said of the mean, median and the mode that:

Longitudinal study is a study that takes place over time either looking back or looking forward in time.

Variables are a property that varies.

Your class is asked to do an exam in theoretical physics. Given that MOST students in class do not know anything about this subject, the distribution of scores would most likely be:

A dental hygiene researcher conducted a study to determine the frequency of musculoskeletal pain for this year’s graduates from 10 dental hygiene programs in Minnesota. She surveys these graduates on a yearly cycle for the next 5 years. This type of study is best described as a:

Variables are known: