timestamps

• 0:00

  Key Figures in Intelligence Testing

• 0:32

  Compulsory Education Background

• 1:02

  Impoverished Environments and Nurture

• 1:33

  Nature vs Nurture Debate

• 2:06

  Lewis Terman and Genetics

• 2:38

  William Stern and IQ Calculation

• 3:10

  Achievement Tests Explained

• 3:41

  Aptitude Tests and Predictions

• 4:13

  Wechsler Adult Intelligence Scale

• 4:45

  Test Criteria: Standardized Reliable Valid

• 5:16

  Uniform Testing Procedures

• 5:49

  Meaningful Scores Comparison

• 6:19

  Normal Curve Distribution

• 6:49

  Improving Intelligence Over Time

• 7:19

  Flynn Effect Causes

• 7:51

  Normal Curve and Averages

• 8:23

  Standard Deviations in IQ

• 8:54

  IQ Ranges and Percentages

• 9:24

  Extremes in Intelligence Scores

• 9:56

  Test Reliability Concepts

• 10:28

  Measuring Reliability Methods

• 10:59

  Reliability Correlation

• 11:30

  Validity vs Reliability

• 12:01

  Content Validity Examples

• 12:32

  Predictive Validity in Tests

• 13:03

  Clarifying Reliability and Validity