Chapter 9 290 think will help best to motivate you. Whether you follow our recommendation or not is your choice.’. In line with Boderie et al.,1 the advice was based on pragmatic thresholds, as follows: whenever respondents 1) demanded commitment, 2) chose the larger-later reward in fewer than 14 out of 27 questions (i.e. proportion of larger, later rewards<50% indicating preference for earlier rewards), or 3) had λ > 2, they were recommended to take-up deposit-based incentives. If none of these 3 conditions was met respondents were recommended to take-up reward-based incentives. The first two decision rules were modelled after Boderie et al.1, whereas the decision rule for loss aversion was based on the observation that, on average, λ typically is around 2.9, 10 T1: Effort provision One week after completing the T0 experimental session, respondents received an e-mail invitation for session T1 (which had a median completion time of 37 minutes). 171 respondents out of 228 showed up at T1, see figure 1. In this session the slider tasks were completed, but respondents first completed the MCQ, demand for commitment question and the non-parametric method again. This repeated measurement was included to test the robustness of the default selection in nudged assignment arm (i.e., would people receive the same advice?) and allows us to identify the test-retest reliability of the measures used in nudged assignment. After completing these measures respondents were asked if they wanted to start on the sliders or finish the experiment and earn their show-up fee (if they had not deposited it). If they decided to start on the slider tasks, they could complete a page of 20 sliders. After each page respondents’ current earning (to be paid out at T2) was updated and they were again asked if they wanted to continue completing sliders or exit the task. Once respondents completed the final page with sliders or decided to quit, they were instructed to prepare up to 2 digital payment requests. The first involved the show-up fee (if not deposited) and the second involved slider earnings. T2: Payment Payment requests were automatically sent to an inbox, with delivery of the payment request for slider earnings being delayed by exactly 1 week. The inbox was monitored on a daily basis, with payments being made as soon as possible (within ~4 hours).
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