SY280 Lecture Notes - Lecture 7: Null Hypothesis, Dependent And Independent Variables
Document Summary
Lesson 7: measurement, causality: does something cause something to take place, generalization: population you"re generalizing to, replication: replicating data and studies. Crunching of numbers misleads people to think all the data shown is precise and accurate. Considering factors relevant to research topic or question. Hypothesis=formal statement regarding the relationship between variables; tested directly. Definite statement of relationship between two variables or difference between groups. H1: xa xb average grades given by a average grades given by (attractive profs) b (unattractive profs) Describing social phenomena that are difficult to measure. Examples: social class, intelligence, forgiveness, violence, discrimination, health, etc. Class of outcomes that can take on more than one value. Examples: hair colour, height (short, tall), income (low, high), education (low, high), gender (male, female), age (young, middle age) Variable whose variation is independent of other variables in the study. Examined as the outcome of an experiment or research project.
