Armando is participating in a one-week study examining the relationship between emotional states and eating behavior. every time he eats something, he has to pull out a digital notebook and record how he is feeling at that exact moment. what kind of research method is being used in this study?

experience sampling method (ESM)              

Explanation:

The ESM (Experience Sampling Method), was given by Csikszentmihalyi and Larson. Also known as the Daily dairy method and EMA. This is defined as a strategy for collecting information from different people about their wisdom of day-to-day life as it happens. This is a longitudinal method of research, that involves asking individuals to monitor their feelings, thoughts, and behavior.

ESM can be used to collect both quantitative and qualitative data, including questions for subjects that are modified for research.

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