Consider the following statements :

Assertion (A) : Biserial may be used with continuous variables which have been grouped into two categories.

Reason (R) : Phi coefficient is most useful in item analysis when we want to know the item-item correlation.

Now select your answer according to the coding scheme given below :

Relaxation is a state of condition which is opposite to the state of 

Defective measuring device is that when the device is constantly in 

In an experimental study, the procedure in which both the experimental assistants and participants are kept unaware of, which participants get which treatment is known as

Consider the following statements :

Assertion (A) : Type A individuals show polyphasic behaviour.

Reason (R) : Type A individuals tend to do two or more things at the same time.

Now select your answer according to the coding scheme given below :

Too much work on frequent frustration at work can lead to a syndrome of physical and emotional exhaustion. This syndrome is called