Psyc 510 exam 1 - Study guides, Class notes & Summaries

PSYC 510 Exam 1 - Questions and Answers What is reliability? -degree of consistency of a measure (gives same result each time) What is validity? -degree of accuracy of a measure (is it measuring what its intended to measure) What is observed vs. true score? -Observed (what we see) 1)true score: actual degree the trait characterizes the p. 2)measurement error: score we did not intend to assess What are 2 types of error? -random: fluctuates each time something is measured (low reliability) -syst...