PSYC 300 Study Guide - Midterm Guide: Unimodality, John Tukey, Statistical Hypothesis Testing
Document Summary
Common characteristics of science: population: well defined large or small group, parameter: characteristic of a population, sample: some percentage of a population, statistic: characteristic of a sample, descriptive statistics: summarize & organize data, inferential statistics: calculations to infer properties of a population from a sample. Variable: any characteristic that takes on different values: categorical (dichotomous only 2 categories ex. male or female, dead or alive) vs. numerical (discrete or continuous, independent (manipulated) vs. dependent vs. subject variable (cannot be manipulated but can still be used as predictor eg. age, gender, personality, constant: any characteristic that takes on only a single value, delimiting: narrowing the scope of your study. Latin square) & appropriate sampling methods probability of being placed in an experimental condition: random assignment: each individual in the sample has an equal, representative sample: characteristics of the participants reflect, sample methods: the characteristics of the population, probability sampling (cid:224) random sampling, stratified random sampling ***
