After decades of research on early attachment relationships, questions remain concerning
whether the evidence supports claims made by attachment theory, in particular, that …

Despite its critical role for the development of the field, little is known about replication in
second language (L2) research. To better understand replication practice, we first provide a …

Social and behavioural scientists have attempted to speak to the COVID-19 crisis. But is
behavioural research on COVID-19 suitable for making policy decisions? We offer a …

Abstract The success of Amazon Mechanical Turk (MTurk) as an online research platform
has come at a price: MTurk has suffered from slowing rates of population replenishment, and …

Open access, open data, open source and other open scholarship practices are growing in
popularity and necessity. However, widespread adoption of these practices has not yet been …

Self-report data collections, particularly through online measures, are ubiquitous in both
experimental and non-experimental psychology. Invalid data can be present in such data …

Participant attentiveness is a concern for many researchers using Amazon's Mechanical
Turk (MTurk). Although studies comparing the attentiveness of participants on MTurk versus …

The university participant pool is a key resource for behavioral research, and data quality is
believed to vary over the course of the academic semester. This crowdsourced project …

The ideal of scientific progress is that we accumulate measurements and integrate these into
theory, but recent discussion of replicability issues has cast doubt on whether psychological …

Deception researchers widely acknowledge that cues to deception—observable behaviors
that may differ between truthful and deceptive messages—tend to be weak. Nevertheless …