If a researcher compared left-handed versus right-handed girls on a reading test after giving half of them special training, then the attribute variable and one likely extraneous variable, would be respectively
A)special training; reading scores.
B)handedness; age of student.
C)reading scores; ability level.
D)special training; gender.
E)handedness; special training.

Question

Quizplus · Accepted Answer

The attribute variable is handedness (left-handed vs. right-handed), and a likely extraneous variable could be the age of the student, as it might affect reading test performance.

If a Researcher Compared Left-Handed Versus Right-Handed Girls on a Reading