I'm reviewing a rating scale for staff selection and would appreciate links where I can find some authoritative detail on advantages/disadvantages of various scalar types, preferred models etc.
Your assistance will be appreciated.
Robin Henry
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Measurement Scales
Hi Robin, I have several books/articles covering this, but probably in more depth than you need. Depends partly on what you’re trying to achieve – a basic rule if you’re wanting to do any statistical analysis beyond frequency counts would be to avoid categorical data (i.e. eye-colour). Likert, Semantic Differential, Guttman etc all have pros/cons – but depends on context. Get in contact if you’d like to talk it through – unfortunately I have no relevant www links, Regards, Conall