These variables will include size, technology, people, purposes and environment.

These variables include trust, cultural values and low tolerance for change.

Researchers must carefully consider the number of measured variables to include in the analysis.

Building such a system involves a series of subjective choices about what variables to include and how to weight them.

Variables that affect age of first childhood memory include early family environments.

Details of statistical models need to be given, listing other variables included in the model.

Other variables that affect this decision include taxation, welfare, and work environment.

These variables typically include, but are not limited to, the following:

Other important variables for success include personal predisposition or cognitive bias.

Variables that affect these can include subject age, aptitudes, ability, and the surrounding environment.