HD FS 129 Lecture Notes - Lecture 4: Standardized Test, Apache Hadoop, Observer-Expectancy Effect
2 Sep 2016
School
Department
Course
Professor
Document Summary
The goals of science: describe behavior, predict behavior, explain behavior, modify behavior. Ask participants a set of questions - using a questionnaire or orally. Can gather a lot of info (breadth & depth) Cannot assess things about which subject is unaware. Videotaping and observing (coding) respondents in a laboratory or naturalistic situation. Controlled setting where you can control many of the complex factors of the real world . Do not try to manipulate or control the situation. Intrusiveness in daily life / absence of control. A test with uniform procedures for administration and scoring. Assumes performance is stable (across time and situations) Add a new level of understanding to phenomena. Interpretation is complex (e. g. is elevated hr bad?) Average self esteem, average amount of time studying. To establish the strength and direction of the relationship b/w 2 or more naturally. Example: test grades & hours studied occurring variables.
