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| Difficulty Level | 1 |
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Peer reviewedChilders, Thomas; And Others – RQ, 1991
Reports on a project which developed a measure of levels of difficulty of reference questions handled by the California Interlibrary Reference Referral Network, and identified indicative measures that would reliably stand for the concept of difficulty. Correlations of predictive difficulty and actual difficulty are discussed. (nine references)…
Descriptors: Correlation, Difficulty Level, Library Networks, Library Services
