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+====== Job performance self-rating scale ======
+I only use this measure as a complement to real objective measures. Top journals for not stand for this measure as a sole indicator.
+Described in my thesis :
+<blockquote>
+Job Performance. Job performance will include two measures - objective and self-reported job performance. [...] To complement the objective measure, participants will also be asked to indicate their own performance by indicating their own approval rate, number of tasks and to rate performance on a job performance scale (Pruden & Reese, 1972) regarding their MTurk work, subjectively comparing themselves to other workers on MTurk on quality, meeting expectations and speed (from 1 = Below Average - Below 25% ; 2 = About Average – Better than 25% ; 3 = Above Average – Better than 50% ; 4 = Near the top – Better than 75% ; 5 = The best - Better than 90%). Several studies have shown support for self assessments and self rating as a reliable measure of objective performance (Anderson, Warner, & Spencer, 1984 ; Fox & Dinur, 1988).
+</blockquote>
+Some use the following scale :
+<blockquote>
+(1 = Bottom 40% ; 2 = Average ; 3 = Upper 40% ; 4 = Top 20% ; 5 = Top 10% ; 6 = Top 5%)
+</blockquote>
+===== The scale =====
+Ran the following on MTurk for workers to evaluate themselves.
+<blockquote>
+How would you rate your work compared to others in terms of :
+  - Quality of the end result
+  - Meeting expectations in the task
+  - Speed
+  - Value per money paid
+</blockquote>