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The growing number of people who run businesses that depend entirely on the internet are known as ____. 

Minstrel show – In the 19th-century United States, a form of entertainment inwhich performers (usually white) enacted African American stereotypes bydarkening their faces with burnt cork or greasepaint, speaking in pseudodialect, and portraying established character types through song, dance, andcomical sketches.

John Williams is a composer that is mainly consider as _______________?

To test the effect of a new teaching procedure, a professor asks some of her students to volunteer to enter an experimental section of the course. The experimental section does better than the standard section. There is a strong possibility that this study is beset by ______.

Which of the following could lead to selection bias?

_____ refers to the effects of outside events, other than the treatment, that might influence participants scores.

If something other than the treatment is responsible for the effect, there is a problem with the study’s ___________ .

Studying participants in a real life situation might help the study’s

Regression toward the mean would suggest that a group that was formed based on extremely low scores on a pretest, would have

Two limitations to using ultrasound for reproductive purposes include the [term1] of equipment and the [term2] of  the personnel doing the procedure. (one or two words each blank)