Explanation : The median and the mode are the only measure of central tendency that can be used for ordinal data, in which values are ranked relative to each other but arc not measured absolutely.
Explanation : Thematic Apperception Test (TAT) is a projective psychological test. The Sixteen Personality Factor Questionnaire (16-PF) is a self-report personality test developed by Raymond B. Cattell, Maurice Tatsuoka and Herbert Eber.
Cloud Picture Test is a new method for testing imagination.
Explanation : The concept of development task was introduced by Robert Havighurst in the 19505. According to Robert Havighurst, the development task refers to tasks which arise in a social context during an individual lifetime.
Explanation : Negative reinforcement principle is frequently referred as Escape learning. It is an organism which exposed to a naturally aversive event emits many and varied responses.
Explanation : According to the Thorndike's theory law of effect is one of the primary law of learning which responses to a situation which arc followed by a rewarding state of affairs will be strengthened and become habitual responses to that situation.