2A accepted teachers or cannot determine 2B firefighters 2C accepted gamblers or cannot determine 2D firefighters 4A everyone got 2 points 4B the treatment was playing background music to workers regardless of type and personal preference 4C All retail sales workers or All US retail sales workers 4D mean or overall job satisfaction score 4E 5.22 or 4.34 or 1.66 or 6.17 or 2.1 or even 1200 (worst
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