Why does the author say workers may try harder in trials?
Trials of a four-day working week have reported that staff are happier and that output is maintained. These results deserve attention, but they should be read with care. The firms that volunteer for trials tend to be those that expect to succeed, and the workers in them are likely to try harder when they know they are being studied. The sort of work also matters: a software team can compress its week more easily than a hospital ward. Even so, it would be wrong to dismiss the results. If a shorter week can be run in a few organisations without loss of output, there is a case for finding out where else it can work. The proper course is wider trials, in more varied settings, with outcomes measured independently.
Answer and explanation
Correct answer: B. Because they know they are being studied
- Step 1: The passage says the workers are likely to try harder 'when they know they are being studied'.
- Step 2: That is the reason.
Answer
Because they know they are being studied.
Why not the others: Pay, threats, duration and enjoyment are not mentioned.
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