Counting "Select All That Apply" Questions in Qualtrics

Qualtrics Messy Data My friend Devon Cantwell reached out with an interesting messy data caused by how Qualtrics produces “select all that apply” variables. For example, in her (mock) survey, she asks students to select all the colors that they personally find attractive from a list.

Developing Race and Gender Estimates for US Law Enforcement Leadership

Introduction Researchers might be interested in developing a descriptive understanding of the gender and race composition of a particular industry, organization, or other institution. Oftentimes this is done with sampling from a population.

Which Model do I use?

Introduction This is a very constrained, simple table to help students decide what type of statistical modeling is appropriate for their research question and data set. Table 1: Which Model Do I Use?