Lower-court trial juries consist of ____ members, whereas district court juries consist of ____ members

When seeking to match participants on relevant variables in a matched-subjects design, which of the following defines a relevant variable?

A) a variable that has no effect on the dependent variable B) a variable that can have an effect on the dependent variable C) a variable that has an effect on the independent variable D) any variable

This modern country's leader named Kim Jong Un is regarded by some as a ruthless leader because reports indicate that he keeps approximately 200,000 political prisoners in gulags where they are forced to work 12–15 hours per day and because many of these prisoners ultimately die of malnutrition

a. China b. North Korea c. Japan d. Vietnam e. South Korea