There Is a Greater Risk of Making Which Error with a Directional

There is a greater risk of making which error with a directional hypothesis?

A) Concluding that there is a difference between groups when there really is no difference
B) Concluding that there is no difference between groups when there is an inverse relationship
C) Concluding that there is no difference between groups when there really is a difference
D) Rejecting the null hypothesis when the measurement error is moderate