If we provide the training and then collect evaluation measures we are:
A) Sure that any change we see is due to the training
B) Unsure as what caused the result we find, the training or ?
C) OK - but only if we randomly select the trainees
D) Following the best known research design

Question

Quizplus · Accepted Answer

Without a control group or random assignment, it's unclear if changes are due to the training or other factors.

If We Provide the Training and Then Collect Evaluation Measures