Exam 1 Flashcards
What is a theory?
An organized set of principles that describes, predicts, and explains a phenomenon
What are the characteristics of a good theory?
Falsifiable, Generative, Precise, Coherent, Parsimonious, and Unique
What are the types of descriptive research?
Ethnography, Case Study, Archival Analysis
What are the major advantages of descriptive research?
Real and rare
What are the major disadvantages of descriptive research?
Limited sample, observer bias, observer effects, no causality, no understanding of process
What is internal validity?
The extent to which you know changing the IV changed the DV
What is observer bias?
Seeing the results that you want to see
How can a researcher maximize internal validity of a study?
Random selection, random assignment, double blind, tightly controlled
What is external validity?
The extent to which your findings are generalizable
What is a population?
Those you’re learning bout (e.g. all white men, all black women)
What is a sample?
The participants you are using that are part of your population
What is the difference between longitudinal studies and cross-sectional studies?
Longitudinal studies analyze the same sample over a period of time
Cross-Sectional studies analyze a sample once
What information should be included in informed consent?
Purpose of study, risks, confidentially, able to withdraw
When can researchers employ deception in their research?
When it is necessary a participant believes a situation is real
What is a debriefing and what should be included?
Explaining to the participant at the end of the experiment the true purpose of the study and what exactly happened
What is the field of psychometrics?
Measurements of invisible constructs or variables
What are objective measures?
Direct answers that are not interpreted by the researcher (true/false)
What are subjective measures?
The researcher interprets the participant’s response (inkblot)
What is validity with respect to psychometrics?
Measures what it is supposed to measure
What is reliability with respect to psychometrics?
Gives consistent results
What is item discrimination?
How well an item indicates who is high and who is low on a measure
What are the two modes, or types, of thinking people can engage in?
Controlled and automatic
Kelley (1950)
Students had a substitute professor for a day and were given previous info about him. The students favored the professor when they were previously told he was warm.
IV: Good info, bad info
DV: students’ rating of professor
What is a schema?
Learned cognitive representations of the real world