[1] Newman Univ Coll, Dept Psychol & Counselling, Birmingham B32 3NT, W Midlands, England
[2] Newman Univ Coll, Dept Phys Educ & Sport Studies, Birmingham B32 3NT, W Midlands, England
[3] Wolverhampton Univ, Sch Sport Performing Arts & Leisure, Walsall WS1 3BD, W Midlands, England
[4] Staffordshire Univ, Ctr Hlth Psychol, Stoke On Trent ST4 2DE, Staffs, England