Anonymous Does it need an a before lower or is OK without it? It is OK without it. What is troubling is 'rate', which does not seem to me to be a reasonable measure of 'satisfaction'.
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AnonymousDoes it need an a before lower or is OK without it?It is OK without it. What is troubling is 'rate', which does not seem to me to be a reasonable measure of 'satisfaction'. I would think rather 'satisfaction level'.
AnonymousThe results showed lower productivity and lower satisfaction level for workersYes, that is OK, too, though the style of the writing may make the articles a preference.