PSYC 1000 1st Edition Lecture 18Outline of Last Lecture I. Intelligence TheoriesII. Seeds vs. SoilOutline of Current Lecture II. Intelligence TestingIII. What is an IQ?Current LectureIntelligence Testing1.) Intelligence: Ability tests2.) Aptitude: Trying to predict future performance 3.) Achievement: How much you can do versus how much you should be able to do. What is an IQ?Alfred Binet: come up with questions that the average aged person could answer, called metal age. Mental age can be above, average, or below. Goddard: Found test called Stanford Binet, invented the IQ test. IQ=ma/age x 100 Wechsler Adult Intelligence Scale (WAIS-4): full scale IQ (FSIQ): overall IQ composite score madeup of four induces. Verbal(VCI) vocabulary/similarity, perceptual reasoning(PRI) block design, matrix reasoning, visual puzzles, working memory(WMI) digit span, processing speed(PSI) cross out symbols (simple search). Wechsler Adult Intelligence Scale for Children (WISC-4)68%, 95%, 99.8% rule: standard deviationPsychometric Theory: psychological measurement. First rule of measurement is standardization.Uniform procedure for administering and scoring the test. Is the tool reliable? Consistency. Standardization&ReliabilityThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Validity or Accuracy: Are you measuring what you say you are
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