Behaviour in public good experiments is usually attributed partly to rational self-interest and partly to social norms and preferences. This paper examines if sensitivity to social desirability affects public good contribution and in what way. A pre-experimental measure of social desirability...

As a stress test of experimenter demand effects, we run an experiment where subjects can physically destroy coupons awarded to them. About one subject out of three does. Giving money back to the experimenter is possible in a separate task but is more consistent with an experimenter demand effect...

Effort tasks are commonly used to assess individual investment and performance in an experimental setting. Although the tasks used are diverse, they are typically intended to be equivalent as far as they aim to generalize beyond the specific task. We compare an induced value effort task and...