STATWORDS: INTRODUCTORY STATISTICS

Design of a Study

The resources below were chosen to align with the Clackamas Community College statistics curriculum.

Topic Web page Video Other

General Vocabulary

Bias
StatTrek

Population
STEPS Project, U of Glasgow

Sample
STEPS Project, U of Glasgow

Explanatory variable (aka independent variable, manipulated variable, predictor variable)
StatTrek

Response variable (aka dependent variable)
StatTrek

Lurking Variables
Boston Decision

 

Methods of Data Collection

Census, sample survey, observational study, experiment
StatTrek

 

 

Sampling a Population

Random vs arbitrary methods of sampling
University of Maryland

Overview of sample selection
StatTrek

Sampling frame
statistics.com

Bias in survey sampling
StatTrek

Response bias
StatTrek

   

Probability-Based Sampling Methods

Probability sampling
StatTrek

Simple random sampling (SRS)
StatTrek

Stratified random sampling
StatTrek

Cluster sampling
StatTrek

Systematic sampling
StatTrek

 

Excel video: Simple random sampling
Timothy D'Auria

Excel video: Stratified random sampling
Timothy D'Auria

 

Vocabulary for Experiments

Treatments
StatTrek

Confounding
StatTrek

Lurking variable
StatTrek

 

 

Experiments

Intro to Experiments
StatTrek

Well-designed experiments: randomization, replication, and control
Michelle Lacey, Yale University

Intro to Experiments (video)
StatTrek

Interactive web page: Is a cause-effect conclusion appropriate?
onlinestatbook.com

Experimental Designs

Completely randomized experiments, randomized block design, matched pairs design
StatTrek

Completely randomized experiments, randomized block design, matched pairs design (video)
StatTrek

 

Common Issues with Experiments

Volunteers and experimental ethics
SimplyPsychology.org

Placebo and the placebo effect
StatTrek

Blinding and double blinding
StatTrek

 

Cartoon: Volunteers
xkcd.com

Topic Web page Video Other