Unit 2 Flashcards
Thinking that does not blindly accept arguments or conclusions. It examines assumptions, accesses the sources, discerns hidden values, evaluates evidence, and assesses conclusions.
Critical Thinking
The tendency to believe, after learning an outcome, that one would have foreseen it.
Hindsight Bias
An explanation using an integrated set of principles that organizes observations and predicts behaviors or events.
Theory
a testable prediction, often implied by a theory.
Hypothesis
A carefully worded statement of the exact procedures used in a research study. (defines concepts in precise procedures or measures)
Operational Definition
Repeating the essence of a research study, usually with different participants in different situations, to see how the results will vary.
Replication
Analysis of specific individuals.
Case Study
Watching and recording the natural behavior of many individuals without trying to manipulate or control the situation.
Naturalistic Observation
Technique to finding the attitudes and behaviors of a group by questioning a representative or sample of the group.
Survey
A flawed sampling process that produces an unrepresentative sample.
Sampling Bias
All those in a group being studied.
Population
A sample that fairly represents a population because each member has equal chance of inclusion.
Random Sample
A measure of the extent to which two variables change together, and thus of how well either variable predicts the other.
Correlation
The statistical index of the relationship between two variables. (from -1 to 1)
Correlation Coefficient
A graphed cluster of dots that represent the values of two variables.
Scatterplot