PSYCH 301 Study Guide - Midterm Guide: Descriptive Statistics, Cluster Sampling, Institutional Review Board
Document Summary
Sample: a subset of a population (group selected to participate in study). Study population: population from which you take your random sample (group the results on a whole apply to). Target population: larger population researcher wants to make inferences to (no statistical way to justify from study pop. Descriptive research: designed to describe in an accurate and systematic fashion the behavior, thoughts, or feelings of a group of participants. Falsification: (falsifiability) the requirement that a hypothesis must be capable of being falsified. Hypothesis: proposition that follows logically from a theory (prediction regarding the outcome of a study). Theory: set of propositions that attempt to specify the interrelationships among a set of constructs. Operational definition: defining a construct by specifying precisely how it is measured or manipulated in a particular study. Descriptive statistics: numbers that summarize and describe the behavior of participants in a study (mean and standard deviation)
