When measuring trainees' "reactions" to a training program, trainers often use questionnaires, focus groups, and interviews.

Trainees' Reactions

The initial responses or feedback from participants in a training program, often gauged to assess their engagement and the effectiveness of the training.

Questionnaires

A research instrument consisting of a series of questions and other prompts for the purpose of gathering information from respondents, widely used in surveys and studies.

Focus Groups

A qualitative research method where a small group of people discuss certain topics under the guidance of a moderator, used for exploring perceptions and opinions.