PSY30400 Midterm: Take Home Points Exam 3 Part 12

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16 May 2018

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Take Home Points Exam 3

Standardization, reliability, validity

• Measures of intelligence must be

o Standardized

▪ Large samples

▪ Representative sample

• Age, ethnicity, sex

▪ Establish normal distribution—normal curve

▪ 68% within 1 standard dev—15 points

o Reliable

▪ Consistent results

▪ Soeoe’s phsial state a affet their sore (ho uh affeie or

sleep they had)

▪ For a test to easure oe’s iate ailit it ust..

• Split-half Reliability:

o Dividing the test into two equal halves and assessing how

consistent the scores are

o Should e the sae (ould’t ork for SAT for eaple –

better in math than reading etc.)

• Test-Retest Reliability: Using the same test on two occasions to

measure consistency.

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