“…For example, aspects of leisure that researchers have identified as being associated with constraints include the desire, but inability, to participate in new activities (e.g., Jackson, 1990b;Jackson & Dunn, 1991;Jackson & Searle, 1983;Searle & Jackson, 1985); the inability to maintain participation or to increase it to desired levels (e.g., McGuire, Dottavio, & O'Leary, 1986;Shaw, Bonen, & McCabe, 1991); ceasing participation in former activities (e.g., Backman & Crompton, 1989Boothby, Tungatt, & Townsend, 1981;Dunn, 1990;Jackson & Dunn, 1988McGuire et al, 1986;McGuire, O'Leary, Yeh, & Dottavio, 1989); the nonuse of public leisure services (e.g., Godbey, 1985;Howard & Crompton, 1984); and insufficient enjoyment of current activities (e.g., Francken & van Raiij, 1981;Witt & Goodale, 1981). Specific activities now receiving attention include pool players (Chick & Roberts, 1989;Chick, Roberts, & Romney, 1991), golfers and tennis players (Backman, 1991;Backman & Crompton, 1989, trail users and nonusers (Bialeschki & Henderson, 1988), campers (Dunn, 1990), and bridge players (Scott, 1991).…”