

A lengthy, difficult to answer or score test is considered to be a non-practical test. The length of the test, the items, and questions included in the test as well as its scoring make it practicable. Verbal intelligence test should be practical which refers it to be administered and scored easily within a reasonable time period. All in all, the test should be examined regarding the knowledge, skills, ability, potential or traits of the test taker. The ideal way to make a test objective is to construct it in such a way so that it can be administered and scored by any of the qualified examiners and the results obtained may be similar like any other scorer. Objectivity means that the test should be free from the personal biases and feelings of the examiner.

Notion validity: It is the degree of accurateness that is used through the test to measure psychological procedures mentioned in theory.Content validity: This type of validity is the degree to which all the questions are showcasing the domain of knowledge which is intended to measure in this test.There are many types of validity of an intelligence test which include:

Validity explains as to whether the intelligence test is fulfilling its objective of development.

To make an intelligence test valid, it should focus on measuring intelligence rather than speed, memory, vocabulary or guessing ability. Verbal intelligence test refers to the degree to which this test tends actually to measure what it intends to measure.
