In alternate or parallel form method the time interval for the administration of the test should be between

......... is a form of conditioning in which shock, unpleasant smell, visualization is paired with an undesired behavious.

Non-probability sampling is otherwise called as

Consider the following statements :

Assertion (A) : Anxiety neurotics are genrally emotionally hypersensitive to stimuli.

Reason (R) : Systematic desensitization reduces the bond between anxiety provoking stimuli and anxiety response.

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

The first method used for health behaviour change was

The central limit theorem principle explains