Which of the following is TRUE?
A)A study lacking external validity may nevertheless have high internal validity.
B)Internal validity is a matter of degree,whereas external validity either exists or doesn't exist.
C)In most experiments we can conclude that the observed response is due to our experimental manipulations.
D)Both a and b.
E)a,b,and c.

Question

Quizplus · Accepted Answer

A study lacking external validity may still control extraneous variables and have precise manipulations, resulting in high internal validity. Internal validity and external validity are independent qualities of a study and can vary separately.

Which of the Following Is TRUE