手法を比較

	Recreation Substitutability Analysis	Recreation Specialization Continuum
分野	Sport Leisure Studies	Sport Leisure Studies
系統	Process / pipeline	Process / pipeline
提唱年	1991	1977
提唱者	Bo Shelby & Jerry Vaske; Seppo Iso-Ahola	Hobson Bryan; David Scott & C. Scott Shafer
種類	Applied analytic pipeline for recreation substitution	Developmental continuum framework for recreationist progression
原典	Shelby, B., & Vaske, J. J. (1991). Resource and Activity Substitutes for Recreational Salmon Fishing in New Zealand. Leisure Sciences, 13(1), 21-32.	Bryan, H. (1977). Leisure value systems and recreational specialization: The case of trout fishermen. Journal of Leisure Research, 9(3), 174-187.
別名	Leisure Substitutability Analysis, Recreation Substitution Assessment, Activity-Resource Substitution Analysis, Substitutability of Leisure Behavior	Recreation Specialization, Recreational Specialization Continuum, Specialization Framework
関連	4	3
概要	Recreation substitutability analysis studies the interchangeability of leisure experiences, asking when and for whom one recreation activity, site, or time can acceptably replace another. Bo Shelby and Jerry Vaske's work, exemplified by their 1991 study of salmon fishing in New Zealand, organized substitution into distinct types, varying the activity, the resource or setting, the timing, or the strategy of participation, and measured anglers' willingness to accept each kind of substitute when their preferred option was unavailable. Seppo Iso-Ahola's 1986 theory framed substitution as a psychological process in which perceived freedom of choice is the critical mediator: people substitute more willingly when they feel they are choosing rather than being forced, and when the alternative shares the valued qualities of the original. The analysis combines a typology of substitution with measures of willingness conditioned on choice freedom, the quality of alternatives, and recreationists' specialization and commitment.	Recreation specialization is a framework for describing how participants in an outdoor activity progress from general, casual involvement toward focused, specialized engagement, and for placing them along that continuum. Hobson Bryan introduced the construct in his 1977 study of trout fishermen, defining specialization as a continuum of behavior from the general to the particular, reflected in the equipment people use, the skills they develop, and their setting preferences and activity-related commitment. The idea quickly became one of the most-used frameworks in outdoor recreation research because it predicts that more specialized participants differ systematically from novices in attitudes, resource dependence, and management preferences. David Scott and C. Scott Shafer's 2001 critical review tightened the construct, arguing that specialization is fundamentally a developmental process spanning behavior, skill and commitment, and warning against reducing it to a single composite index. The continuum gives managers and researchers a way to segment a heterogeneous user population and anticipate how attitudes shift as involvement deepens.