Which teams are groups of employees who perform highly interdependent jobs and take on many responsibilities of their former supervisors

When teams have large numbers of people, it increases

The difficulty level in speed tests is

The test which yields four second-order factors in addition to other factors of personality is

Probable Error (PE) gives misleading result

Consider the following statements :

I. RET uses 40 or 50 regular techniques

II. RET uses irregular techniques like body massage

III. RET uses imagery

IV. RET uses relaxation.

Of the statements :