The WAIS categories are based on a mean of 100 and listed as follows:
Scores 130 and beyond are considered to be gifted.
Scores between 120 and 129 are considered to have a very high intelligence.
Scores between 110 and 119 are bright normal intelligence.
Scores between 90 to 109 is average intelligence.
Any score below an average mean score of 70 is considered to be of borderline intelligence.
The Wechsler Adult Intelligence Scale - Version 3 (1997). The scales are based on criteria surrounding verbal and performance based questions.
Verbal Scoring Criteria
Contains eighteen items that require the individual who is taking the test to explain what should be done in certain circumstances. From the meaning of proverbs and why certain social group activities are followed, to the measurement of practical judgment and common sense. Scores on each item vary according to a degree pertinacity.
The twenty questions are based on basic elementary math and must be solved with out writing utensils and are given oral to the test taker. This section is given to test concentration and problem-solving levels.
Short Term Memory
In this two part test testers are given numbers in a forward and backwards combinations to examine short term memory patterns along with their level of concentration.
Has twenty-eight items on a variety of information that adults have presumably learned from our culture.
This test consists of sixty-six words in gaining difficulty that are presented the proctor and is given to determine the tester's verbal abilities.
nineteen items requiring the person taking the test to describe how two given things are similar in general terms. These questions are to test concept formation.
Performance Scoring Criteria
There are eleven items with in this test, every items contains up to six pictures. The tester must place the pictures in order as to tell a story. This is a test of social intelligence.
In this test the participants are given twenty-five cards with missing parts and the tester must figure out what is missing. This measures the participant's ability to deliberately focus on a problem.
This tests' an individual's ability to recognize shapes and patterns and place the corresponding figures together in the proper sequential order.
In this test numbers and symbols are placed on a key then given to the tester and they have two minutes to match the correct symbols with the corresponding numbers. This is a test of the participant's motor coordination and speed.
The person taking the tests is given designs with missing parts and has to determine what the missing parts are and answer accordingly. This test nonverbal analytical thinking.