A human resource manager wanted to test the effect of a training program on employees job performance. Tow random samples were chosen, each one consisted of 22 employees. One group (A) was subjected to training. Then, job performance of the two groups was measured.

- What type of experimental design was used (Using symbols)? (2 points)

- Treatment effect (by symbols) (2 points)

- What is the main potential threat to internal validity in this experiment?

Answer rating: 100% (QA)

Answer 1 Use of Experimental Design in Operational Testing The goal of an operational test is to mea... View the full answer