Randomly giving weekly praise to team members is a form of fixed interval schedule reinforcement.

Fixed Interval Schedule

In the context of behavioral psychology, it's a type of reinforcement schedule where rewards are given after a specific and consistent amount of time has passed.

Weekly Praise

The practice of regularly acknowledging and appreciating individuals' efforts or achievements, typically done on a weekly basis.

Team Members

Individuals who are part of a group collaborating towards common goals.