The easy addendum effect: When doing more seems less effortful.

Although people often value the challenge and mastery of performing an activity, their satisfaction may suffer when the tasks comprising the activity are perceived as difficult. Thus, it is important to understand the factors that influence subjective judgments of difficulty. In this research, we introduce an easily actionable and effective tactic to reduce perceptions of the overall difficulty of an activity: We find that concluding a sequence of difficult tasks with a few easy tasks can decrease perceived difficulty of the aggregate activity. While appending extra tasks to a constant sequence should increase the objective amount of effort necessary to complete all the tasks, we find that more tasks can paradoxically be perceived as less effortful. We coin this phenomenon the easy addendum effect and demonstrate that it is less likely to occur when an overall activity is conceptualized as consisting of a single category rather than two distinct categories-that is, a set of difficult tasks followed by a set of easy tasks. We further show downstream consequences of this effect-through lower perceived difficulty, the easy addendum effect can lead to greater satisfaction, persistence, and more tasks performed overall. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

The commission effect: Framing affects perceived magnitude of identical payouts.

In addition to their salaries, employees often receive additional variable compensation (i.e., payouts) based on the sales they generate or manage. For any single transaction, the same payout (e.g., $1,000) may be earned by a relatively high commission rate and a low sales amount (e.g., 10% commission rate on a $10,000 sale) or a relatively low commission rate and a high sales amount (e.g., 1% commission rate on a $100,000 sale). In this research, we show that individuals-including those working in sales roles and familiar with commission plans-perceive the magnitude of the same payout as larger (smaller) if it stems from a high (low) commission rate and a low (high) sales amount. Across 10 experiments with 3,484 participants, we demonstrate the robustness of this "commission effect" in a varied set of employee and consumer contexts, and we identify behavioral consequences of this bias. We also provide evidence that the effect occurs because commission rates are expressed in percentages and are therefore relatively more evaluable than sales amounts. (PsycInfo Database Record (c) 2023 APA, all rights reserved).