Statistics explained I.Q. Tests for the High Range

Explanations

• Accepting high-range mental ability tests for admission purposes
• Balanced g factor loading
• Compound variables
• Congruence coefficient
• Correction for attenuation
• Correlation
• Correlation with national I.Q.'s
• Covariance
• g factor
• Estimated g factor loading
• Frequently encountered fallacies regarding test-related statistics
• Hardness
• I.Q.
• Item hardness
• Item-rest correlation
• Median
• Motivation for secrecy
• Normalization
• Number of candidates (n)
• Preliminary norms
• Proportion outscored
• Protonorms
• Qualified average I.Q.
• Quality
• Quality of norms
• Quartile deviation
• Range
• Rank equation
• Raw score
• Reliability
• Resolution
• Robustness
• Section statistics
• Standard deviation
• Standard error of measurement
• Standard score
• Test data structure
• Total proportion selected on two tests with known correlation
• T-scores
• Variance
• Weighted median
• Z-score equation

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