Counsellors use which of the following instruments to identify developmental aspects of the client

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 :