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	Mobile Experience Sampling Method	Longitudinal Diary Method
Ämnesområde	Surveymetodik	Surveymetodik
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1983–1987	1942 (diary method); longitudinal variant formalised 1980s–2000s
Upphovsperson	Mihaly Csikszentmihalyi & Reed Larson	Allport (1942); systematic longitudinal extension developed by Bolger, Davis & Rafaeli (2003)
Typ	Intensive longitudinal data collection technique	Longitudinal qualitative/quantitative data collection
Ursprungskälla	Csikszentmihalyi, M., & Larson, R. (1987). Validity and reliability of the Experience-Sampling Method. Journal of Nervous and Mental Disease, 175(9), 526–536.	Bolger, N., Davis, A., & Rafaeli, E. (2003). Diary methods: Capturing life as it is lived. Annual Review of Psychology, 54(1), 579–616.
Alias	ESM, ecological momentary assessment, EMA, daily diary via mobile	diary study (longitudinal), daily diary method, repeated-measures diary, longitudinal self-report diary
Närliggande	4	3
Sammanfattning	The Mobile Experience Sampling Method (ESM) collects repeated, time-stamped self-reports from participants in their natural environment using a smartphone app. By signaling participants multiple times per day over days or weeks, researchers capture psychological states, behaviors, and contexts as they occur — eliminating retrospective bias and revealing within-person dynamics that single-session surveys cannot detect.	The Longitudinal Diary Method is a data collection technique in which participants record experiences, thoughts, feelings, or behaviors in structured diary entries repeatedly over an extended period — from days to months or even years. Unlike a one-shot survey, it tracks within-person change, daily fluctuation, and temporal processes in natural settings, making it especially powerful for studying how phenomena evolve over time.