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In a scatter plot, each ____.

Who is acting as a confederate?

One advantage of a factorial research design is that is creates a more realistic situation in which to observe the relationship between variables.

The results section of a research article typically ____.

A correlation of r = −0.90 means that there is essentially no consistent relationship between X and Y.

As the values for one variable decrease from one person to another, the values for a second variable also tend to decrease. This is an example of a(n) ____ relationship.

Which question is best addressed with the correlational strategy?

A researcher introduces a new phonics program in one preschool and uses a neighboring preschool as a no-treatment control group. After the program is in place for one academic year, the researcher intends to evaluate the reading skills of the students in both preschools and then compare their scores. This research cannot be classified as a true experiment because ____.

A newspaper article discussing someone’s research is an example of a ____ source.

Milgram’s obedience study is ethically questionable because the ____.