PSYC 2000 Chapter : Psychology 2000 Chapter 7
Document Summary
What makes a good test: reliability- produce similar scores from one test time to the next, validity-how weak a test measures what it is supposed to. Its ability to measure what it is designed to measure: how to construct a test for something that you"re not. 100% sure about (i. e. intelligence): test can be reliable but still be invalid, test must be reliable to be valid. Iq scores for different age groups: can an 8 year old child solve the problems that 12 year, mental age- compare a child"s test score with the average, binet and simone"s test was revised by an american at. Range of iq scores: 100 is average, standard deviation is 15, mentally retarded is below 70 and significantly impaired in two or more everyday abilities, gifted is considered above 130. What is one thing iq tests do well: predict one"s later success in life, predict academic success, measure emotional health, test intelligence of children across cultures.
