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Which of the following problems would be best approached (studied or analyzed) through the scientific method of inquiry?

For the following question, determine if the study is (a) experimental, or (b) quasi-experimental. Reading and language development skills were compared between a group of children with a history of dental pain and a group of children without a history of dental pain.

A research study was undertaken looking at the frequency of oral cancer examinations in older women. During the study a celebrity, who is in no way connected with the study but had been previously diagnosed with oral cancer, dies from the advancing disease. The possible effect of this event on the research study is due to what type of threat?

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?

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

Which of the following research design methods attempts to construct the meaning of the human experience?

Evidence-based practice is PRIMARILY derived from:

Which variable is manipulated?

Maintaining calibration of the perio scope.