Video:
Population Versus Samples
Learning Objective: 2-1: What is the difference between a population and a sample?
Description: This clip describes the difference between population and samples using a cute example of endangered pandas.

Sampling Error in Daily Life
Learning Objective: 2-1: What is the difference between a population and a sample?
Description: This TED talk from February 2017 by Mona Chalabi explains what the samples from population could tell us, and the important implications for our daily lives.

Shapes of Distributions
Learning Objective: 2-3: What is a distribution and how does its shape affect our analysis of the data?Description: This Khan Academy lesson describes frequency distributions and different shapes, such as skewness and symmetry.

Web:
Populations and Samples in Everyday Life
Learning Objective: 2-1: What is the difference between a population and a sample?
Description: This article by Pew Research Center discusses the role sampling plays in everyday life as well as opinion polls.

Levels of Measurement Game
Learning Objective: 2-2: What kinds of data are collected in psychological studies?
Description: This tool gives students the opportunity to test their understanding of levels of measurement in an interactive environment.