Replication—an important, uncommon, and misunderstood practice—is gaining
appreciation in psychology. Achieving replicability is important for making research …

Background The negative effect of mental fatigue (MF) on physical performance has recently
been questioned. One reason behind this could lie in the interindividual differences in MF …

We conducted a preregistered multilaboratory project (k= 36; N= 3,531) to assess the size
and robustness of ego-depletion effects using a novel replication method, termed the …

For the past 50 years, cognitive scientists have assumed that training attention and self-
control must be effortful. However, growing evidence suggests promising effects of effortless …

Research on moral decision-making in organizations has expanded significantly over the
past few decades. In this review, we build on prior comprehensive reviews on the topic to …

In this paper, we propose a set of unifying definitions that are useful in all areas of fatigue
research while remaining neutral to the various theories about fatigue. We first set up two …

Background Identification of widespread biases present in reported research findings in
many scientific disciplines, including psychology, such as failures to replicate and the likely …

The colloquial term “hangry” refers to the notion that people become angry when hungry, but
very little research has directly determined the extent to which the relationship between …

Ego depletion theory proposes that self-regulation depends on a limited energy resource
(willpower). The simple initial theory has been refined to emphasize conservation rather …

The ego-depletion effect refers to a temporary failure of self-control exertion after first
performing an effortful task. This phenomenon has experienced a replication crisis in the …