Thurstone ✔ (FREE)

Here’s a based on the Thurstone name, focusing on its most prominent psychological and statistical contributions: Feature: Thurstone – The Architect of Mental Measurement 🔍 Who Was L. L. Thurstone? Louis Leon Thurstone (1887–1955) was an American psychologist and statistician who revolutionized psychometrics—the science of measuring mental abilities, attitudes, and traits. Unlike his contemporaries who focused on a single general intelligence factor (“g”), Thurstone argued that intelligence is composed of multiple primary mental abilities . 🧠 Core Feature: Thurstone’s Primary Mental Abilities (PMA) Thurstone identified seven independent factors of intelligence:

| Ability | Description | |---------|-------------| | (V) | Understanding words and reading | | Word Fluency (W) | Rapidly producing words (e.g., anagrams) | | Number (N) | Speed and accuracy in arithmetic | | Space (S) | Visualizing and manipulating shapes mentally | | Associative Memory (M) | Rote memory for paired associates | | Perceptual Speed (P) | Quickly spotting details and differences | | Reasoning (R) | Logical thinking and problem-solving | thurstone