PSYC 2013 Lecture Notes - Lecture 3: Chickenpox, Meta-Analysis, Odds Ratio
Document Summary
Notes on computer: study showed no great difference, possible confounding variables. Scientific process: curiosity, hypothesis, question, design, test, data, analyze the evidence, report. Designs: observation, natural setting, laboratory study, experiments. Independent variable is manipulated: treatment group, comparison group, dependent variable examined for possible impact, random assignment to eliminate confounding variables, survey, questionnaire, interview, online or paper, gets lots of data from a lot of people. Statistical approach: effect size . 2, . 5, . 8 cohen"s d, significance . 05, . 01, . 001, cost benefit analysis, odds ratio, factor analysis, meta analysis (many studies) Studying development over time: cross sectional research, different people from same point in time, longitudinal research, same people over long period of time, cross-sequential research. Causation and correlation: third variable (ice cream sales, baby teeth) Qualitative vs quantitative: qualitative - qualities, quantitative - numbers, statistics. Institutional review board: consent form (withdrawal at any time)
