An administrator will implement a new science curriculum if there is good evidence that it is more effective than the present curriculum.Otherwise he will continue with the present curriculum.The administrator should use a
A) directional test.
B) non-directional test.
C) difference test.
D) non-difference test.

Question

Quizplus · Accepted Answer

A directional test is appropriate because the administrator is specifically interested in whether the new curriculum is more effective than the current one, indicating a specific direction (better, not just different) of the expected outcome.

An Administrator Will Implement a New Science Curriculum If There