Industrial and organizational psychologists use tests of mean differences when they are interested in performing group comparisons. For example, organizational researchers might want to compare a group of employees to a group of managers in terms of their satisfaction with pay, or compare a group of employees who participated in a leadership development program to a group of employees who did not participate in this program in terms of their leadership skills.

Variations of Tests Used to Examine Mean Differences

A number of statistical techniques are available to perform group comparisons. These techniques can be categorized based on a number of criteria—the number of groups compared to each other, the number of factors that determine group membership, the number of dependent variables (DVs) on which groups are ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles