Research Methods Flashcards
Hindsight Bias
The tendency for people to exaggerate how much they could have predicted an outcome after knowing that it occurred
Observational method
when a researcher observes people and systematically records measurements or impressions of their behavior
Ethnography
The attempt to understand a group or culture by observing it from the inside without imposing preconceived notions they might have.
Interjudge/Interrater Reliability
The level of agreement between two or more people who independently observe and code (organize) a set of data (observational method)
Archival Analysis
Observational method in which the researcher examines accumulated documents (archives). This includes diaries, magazines, and/or newspapers.
Surveys
Research in which a representative sample of people are asked questions about their attributes or behavior
Random Selection
A way of ensuring a sample of people is representative of a population by giving everyone in the population an equal change of being selected for the sample.
Primary Research Designs
Correlational design, Experimental design, Meta-analysis
Correlational Method
when two or more variables are measured and the relationship between them (i.e. how much can be predicted from the other) is assessed
Positive correlation
the increased value of one variable is associated with the increases in the value of another variable
Negative correlation
Increases in the value of one variable is associated with the decrease in value of the other variable.
Experimental Method
When the researcher randomly assigns participants to different conditions and ensures these conditions are identical except for the independent variable.
Deterministic Causation
If A then always B
Probabilistic causation
If A then more likely B
(smoking makes lung cancer more likely)
Independent Variable
the variable researchers vary to see if it has a causal effect