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An IQ (Intelligence Quotient) test is a standardized assessment designed to measure a person's cognitive abilities and intellectual potential. It aims to provide a numerical representation of a person's cognitive skills, such as reasoning, problem-solving, memory, mathematical aptitude, and language comprehension. IQ tests are often used to gauge a person's cognitive strengths and weaknesses and can be used as a tool for assessing educational placement, identifying intellectual disabilities, and evaluating cognitive development.

IQ tests typically consist of a variety of tasks and questions that assess different cognitive domains. These tasks might include:

Verbal Reasoning

These questions assess language comprehension, vocabulary, and analogical reasoning. They might include tasks like completing sentences, finding synonyms or antonyms, and identifying relationships between words.

Non-Verbal Reasoning

These questions focus on assessing abstract and visual-spatial reasoning abilities. Tasks could involve completing visual patterns, solving puzzles, and identifying spatial relationships between objects.

Mathematical Aptitude

These questions evaluate a person's mathematical reasoning and problem-solving skills. They could cover concepts like arithmetic, algebra, geometry, and logical mathematical reasoning.

Logical Reasoning

These tasks measure a person's ability to identify patterns, sequences, and relationships in a logical and systematic manner. This can involve solving puzzles, deducing conclusions from given information, and identifying the next element in a sequence.

Working Memory

This aspect of the test assesses a person's ability to temporarily hold and manipulate information in their mind. Tasks may involve remembering and rearranging sequences of numbers or letters.

Processing Speed

These questions measure how quickly a person can process and respond to simple visual or auditory stimuli. Tasks might involve rapidly identifying patterns or matching symbols.

Scores on IQ tests are typically scaled to a mean of 100, with a standard deviation of 15. This means that the majority of the population scores within the range of 85 to 115. IQ scores are often categorized into various ranges:

  • Genius: 140 and above
  • Very Superior: 130-139
  • Superior: 120-129
  • High Average: 110-119
  • Average: 90-109
  • Low Average: 80-89
  • Borderline: 70-79
  • Extremely Low: Below 70

It's important to note that while IQ tests can provide insights into certain cognitive abilities, they do not capture the full scope of human intelligence, creativity, emotional intelligence, or other forms of cognitive expression. Additionally, cultural and socioeconomic factors can influence test performance, so interpreting IQ scores requires careful consideration of these factors.


Educational Placement

IQ tests can help educators identify students who might need special attention, gifted programs, or additional educational support. They can guide educational institutions in tailoring their teaching methods to suit students' cognitive strengths and weaknesses.

Research and Studies

IQ tests have been used in psychological research to study cognitive development, intelligence trends, and the effects of various factors on cognitive abilities.

Predictive Value

IQ scores have been correlated with certain life outcomes, such as educational attainment and income levels. Higher IQ scores are often associated with better academic and career prospects.

Clinical Assessment

IQ tests can be part of a comprehensive assessment battery used by psychologists and clinicians to evaluate cognitive functioning in individuals with neurological or psychological conditions.

You can take tests that were developed by other authors.


The IQ tests on this website were developed by Randy Myers. He has developed many dozens of IQ tests and has been hired numerous times to develop IQ tests for individuals and organizations. His books are sold at/on Barnes and Noble, Books-A-Million, Amazon, etc.


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You can use your qualifying results to join a high IQ society. The name of each society and the links to their respective website is listed below.

Globally-Advanced Intelligence Network

Zerebrum High IQ Network

Catholiq High IQ Society

If you are interested in joining any one of these High IQ Societies, you can visit their website and contact them.

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