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Fact check: 80% of the population has average to low intelligence

Checked on April 25, 2025

1. Summary of the results

The original statement is a significant oversimplification of how intelligence is distributed and measured. Intelligence follows a bell curve distribution with a mean IQ of 100 and a standard deviation of 15 [1], but this statistical tool should not be treated as an absolute truth [2]. The statement fails to acknowledge that intelligence is complex and cannot be simply categorized as "average to low" [3].

2. Missing context/alternative viewpoints

Several crucial pieces of context are missing from the original statement:

  • Intelligence is multifaceted and can be measured in various ways beyond standardized tests, including:
  • Academic performance
  • Technological innovation
  • Academic achievements [3]
  • IQ tests have significant limitations:
  • They only measure certain cognitive skills
  • Don't capture all types of intelligence
  • Can be culturally biased [1]
  • Intelligence is influenced by multiple factors:
  • Education
  • Available resources
  • Genetic predispositions
  • Economic development
  • GDP correlations [4]

3. Potential misinformation/bias in the original statement

The statement contains several problematic elements:

  • It promotes mechanical thinking, which experts warn against as it can lead to false conclusions when evaluating test results [5]
  • It treats the bell curve as an "idol" rather than a statistical tool, which is explicitly warned against by researchers [2]
  • The statement benefits those who wish to promote a deterministic view of human potential, ignoring the complex relationship between intelligence and various societal factors like economic development and education access [4]
  • It could be used to justify discriminatory policies or attitudes by oversimplifying human cognitive capabilities and ignoring the multiple ways intelligence manifests [3]

The statement appears to be an oversimplification that could be harmful if used to make broad generalizations about human potential and capability.

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