Dr. Collier conducted a study to test the relationship betwe…
Dr. Collier conducted a study to test the relationship between frequency of fast food consumption and academic achievement in fifth-grade children. Based on this information, which of the following is a constant in her study?
Read DetailsCupcake University recently switched to a new brand of COVID…
Cupcake University recently switched to a new brand of COVID test, which—like all COVID tests—claims to measure whether or not a person has COVID. Unfortunately, the test has a high rate of false positives. As many as 50% of students who test positive do not actually have COVID. Based on this information, there appears to be a problem with the test’s…
Read DetailsClaudia reads a research study where the authors reported th…
Claudia reads a research study where the authors reported that, in the United States, first-generation immigrant children tend to perform better in school than native-born children. She thinks to herself, “This can’t be right. I’m a first-generation immigrant and I did terrible in school!” Based on this information, Claudia may need to be reminded that…
Read DetailsIn a 2016 study by Fancourt, Burton, and Williamson, men and…
In a 2016 study by Fancourt, Burton, and Williamson, men and women played the game “Operation” while listening to different types of music. Males performed worse when listening to AC/DC than when listening to Mozart, but female participants’ performance at playing the game did not differ based on music. Based on this information, how many variables were in the study?
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