Alfred Binet, along with Theodore Simon, developed the first intelligence test in 1905 to identify children who needed additional educational support.

The Wechsler Adult Intelligence Scale (WAIS) is the most widely used intelligence test today. It is an individually administered test that measures cognitive abilities in adults.

The average IQ score is 100. IQ scores are distributed according to a normal distribution, with the majority of people scoring between 85 and 115.

The Flynn effect refers to the gradual increase in IQ scores over time. This has been observed in many countries around the world and is thought to be due to a number of factors, including improved nutrition, education, and healthcare.

The relationship between IQ and academic achievement is complex and depends on a number of factors, including the student's motivation, study habits, and socioeconomic status. However, IQ is generally considered to be a strong predictor of academic success.

The relationship between IQ and job performance is complex and depends on a number of factors, including the job requirements, the individual's motivation, and their work experience. However, IQ is generally considered to be a weak predictor of job performance.

The relationship between IQ and income is complex and depends on a number of factors, including the individual's education, occupation, and socioeconomic status. However, IQ is generally considered to be a weak predictor of income.

The relationship between IQ and health is complex and depends on a number of factors, including the individual's socioeconomic status, access to healthcare, and lifestyle choices. However, IQ is generally considered to be a weak predictor of health.

Intelligence tests have been criticized for being biased against certain groups of people, such as racial and ethnic minorities and people from lower socioeconomic backgrounds. They have also been criticized for being unreliable and not valid measures of intelligence.

There are a number of alternatives to intelligence testing, including performance-based assessments, portfolio assessments, and dynamic assessments. These alternatives are designed to measure different aspects of intelligence and may be more appropriate for certain individuals.

It is difficult to predict the future of intelligence testing. However, it is likely that intelligence testing will continue to be used in some form, although it may be supplemented or replaced by alternative methods of assessment.

Intelligence tests are not perfect and should be used cautiously. They should not be used to make important decisions about people, such as whether or not they should be admitted to a school or hired for a job.

Existential intelligence is not a type of intelligence identified by Howard Gardner's theory of multiple intelligences.

Emotional intelligence refers to the ability to understand and manage one's own emotions, as well as the emotions of others.

All of the above factors can influence intelligence test scores.