As an expert in the field of psychology and human intelligence, I can provide an insightful response to your question about what is considered a below average IQ. It's important to note that the concept of intelligence is multifaceted and the measurement of it is a topic of ongoing debate among professionals. However, for the purposes of this discussion, we'll focus on the widely recognized IQ scale and its classifications.

The Stanford-Binet Intelligence Scale, which you've mentioned, is one of the most respected and widely used measures of intelligence. The fifth edition of this scale provides a classification system for IQ scores. According to this system:

- 110-119 is classified as High Average.
- 90-109 is considered Average.
- 80-89 is deemed Low Average.

Now, when we talk about below average IQ, we are referring to scores that fall into the categories below low average:

- 70-79 is often referred to as Borderline Impaired or Delayed. Individuals in this range may have some difficulty with complex tasks and problem-solving but can often perform adequately with support and accommodations.

It's important to understand that an IQ score is just a snapshot, a single measure at a specific point in time. It does not capture the full breadth of a person's cognitive abilities or potential. Moreover, it's also crucial to consider the context in which the test is taken, as factors like stress, health, and even the individual's familiarity with the test format can influence the score.

Furthermore, the term "below average IQ" can be stigmatizing and is not a definitive measure of a person's worth or capabilities. Intelligence is not a fixed trait, and people can develop and grow their cognitive skills throughout their lives. There are many different types of intelligence, and the traditional IQ test does not measure them all.

The Stanford-Binet Intelligence Scale also assesses various aspects of cognitive functioning, including knowledge, quantitative reasoning, visual-spatial processing, working memory, and processing speed. It's designed to provide a more comprehensive view of an individual's cognitive abilities than a singular number can.

In conclusion, while an IQ score can provide some insight into a person's cognitive abilities, it is by no means the full story. It's essential to approach the topic of intelligence with nuance and to recognize the limitations of IQ as a measure. Each person is unique, and their abilities and potential extend far beyond what can be captured by a single test score.

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Stanford-CBinet Intelligence Scale Fifth EditionIQ Range ("deviation IQ")IQ Classification110-C119High average90-C109Average80-C89Low average70-C79Borderline impaired or delayed5 more rowsread more >>