Ms. Reger's use of all ten students from a class for her anger-management program is best described as which sampling method?

The sampling method in question, which involves Ms. Reger using all ten students from her class for the anger-management program, is best described as convenience sampling. This approach is characterized by selecting individuals who are easiest to access or readily available rather than employing random selection methods that aim for a broader representation of a population.

In convenience sampling, the researcher does not attempt to ensure that the sample reflects the qualities of the overall population from which it is drawn. This method is often utilized due to its simplicity and practicality, especially in educational settings where a specific group of students can be easily reached. It allows for quicker results and less logistical planning, although it may not provide the most comprehensive or representative results.

In this scenario, Ms. Reger is utilizing all the students she has immediate access to, indicating that her choice is driven by convenience. This makes it clear why convenience is the most fitting characterization of her sampling method.