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	Serious Leisure Inventory and Measure	Leisure Motivation Scale
Field	Sport Leisure Studies	Sport Leisure Studies
Family	Latent structure	Latent structure
Year of origin	2008	1983
Originator	Jay Gould, DeWayne Moore, Francis McGuire & Robert A. Stebbins	Jacob G. Beard & Mounir G. Ragheb
Type	Multidimensional self-report measurement instrument	Latent-structure measurement model of leisure motivation
Seminal source	Gould, J., Moore, D., McGuire, F., & Stebbins, R. (2008). Development of the Serious Leisure Inventory and Measure. Journal of Leisure Research, 40(1), 47-68.	Beard, J. G., & Ragheb, M. G. (1983). Measuring Leisure Motivation. Journal of Leisure Research, 15(3), 219-228.
Aliases	SLIM, Serious Leisure Inventory, Serious Leisure Measure	LMS, Beard & Ragheb Leisure Motivation Scale, Leisure Motivation Inventory, Four-Motive Leisure Scale
Related	3	4
Summary	The Serious Leisure Inventory and Measure (SLIM) is a multidimensional self-report instrument that operationalizes Robert Stebbins's serious leisure perspective for quantitative research. Stebbins defined serious leisure as the systematic pursuit of an amateur, hobbyist, or volunteer activity sufficiently substantial and interesting for the participant to find a career there, distinguished from casual leisure by six durable qualities: perseverance, a leisure career, significant personal effort, durable benefits, a unique ethos, and strong identification with the pursuit. Gould, Moore, McGuire and Stebbins's 2008 paper in the Journal of Leisure Research translated these six qualities into eighteen measurable sub-dimensions and, using expert q-sorts and confirmatory factor analysis, produced a validated seventy-two-item inventory with acceptable fit, reliability, and equivalence across samples. SLIM turned a rich but qualitative theory into a calibrated measure that researchers can use to compare the seriousness of leisure involvement across people and activities.	The Leisure Motivation Scale (LMS), developed by Jacob Beard and Mounir Ragheb in their 1983 Journal of Leisure Research article, measures the psychological and social reasons people give for participating in leisure. Building on Maslow's need theory and the leisure-needs literature, the scale reduces leisure motivation to four broad motives, each represented by twelve items: the intellectual motive (mental activity — learning, exploring, imagining), the social motive (friendship and interpersonal relationships, including the need for esteem), the competence-mastery motive (achievement, challenge, and the testing of skills), and the stimulus-avoidance motive (the drive to escape and to seek rest, solitude, and relaxation). Administered to 1,205 respondents and refined by item and factor analysis, the four subscales achieved reliabilities near .90 and became, alongside the companion Leisure Satisfaction Scale, the most widely used motivation measure in leisure studies and tourism.