Task Identity

§2The established instruments

What the field already uses — named and cited, not reproduced (item wording is copyrighted and withheld pending clearance).

• Job Dimensions Scale — Hackman and Oldham (1975) [developed from earlier work; see references to Raen and Ginsburgh (1977), Hall, Goodale, Rabinowitz and Morgan (1978), Oldham and Brass (1979), Orpen (1979a), Rabinowitz, Hall and Goodale (1977), Steers (1977), Steers and Spencer (1977), and Wanous (1974b)]
• Job Characteristics Scale (Job Diagnostic Survey) — Hackman and Oldham, 1975
• Job Scope — Stone (1974)
• Job Diagnostic Survey (JDS) - partial items visible — Hackman and Oldham
• Job Scope — Stone (1975, 1976); Stone, Mowday and Porter (1977)
• Job Diagnostic Survey (partial) — Hackman and Oldham
• Job Diagnostic Survey (JDS) - Job Characteristics Scales — Hackman and Oldham (1975)
• Job Characteristics Inventory — Sims, Szilagyi and Keller (1976)
• Job Characteristics (Job Diagnostic Survey) — Hackman and Oldham, 1975
• Job Characteristics Inventory (JCI) — Sims, Szilagyi and Keller, 1976
• Job Dimensions — Hackman and Lawler, 1971
• Job Diagnostic Survey (JDS) - Job Characteristics Scale — Hackman and Oldham (referenced as section 8.2)

§3The math on what we know

Synthesized priors from the live registry: pooled r, studies (k), total N, top study grade, and heterogeneity. Rows flagged for heterogeneity or single-study evidence are directional, not settled — read them as a central tendency.