IQ test

Education

Average IQ in USA: State-by-State Differences & What Scores Really Mean (2025)

Discover the truth behind America's average IQ of 100. Explore state-by-state differences, global comparisons, factors affecting scores, and why IQ tests don't define intelligence. Understand what IQ scores actually measure.
Education

What Is the Average Human IQ? Complete Guide to Scores & Global Differences

Discover why the average human IQ is 100, how IQ scores are classified globally, what factors influence national differences, and debunk common myths about intelligence testing.
Science

Raven's Progressive Matrices: Complete Guide to the Nonverbal IQ Test (Versions, Scores, Prep)

A comprehensive guide to Raven's Progressive Matrices, covering test versions (Colored, Standard, Advanced), preparation strategies, score interpretation, and real-world applications. Includes FAQs and expert tips for job seekers and educators.