Resources

Our field has witnessed a rapid increase in the appeal and prevalence of the short report format over the last two decades. In this article, we discuss both the benefits and drawbacks of the trend toward shorter and faster publications. Although the …

This is an account of what I have learned (so far) about the application of statistics to psychology and the other sociobiomedical sciences. It includes the principles "less is more" (fewer variables, more highly targeted issues, sharp rounding …

The hypothesis of a Hierarchy of the Sciences with physical sciences at the top, social sciences at the bottom, and biological sciences in-between is nearly 200 years old. This order is intuitive and reflected in many features of academic life, but …

Beginning January 2014, Psychological Science gave authors the opportunity to signal open data and materials if they qualified for badges that accompanied published articles. Before badges, less than 3% of Psychological Science articles reported open …

Failures to replicate published psychological research findings have contributed to a "crisis of confidence." Several reasons for these failures have been proposed, the most notable being questionable research practices and data fraud. We examine …

Background: We explore whether the number of null results in large National Heart Lung, and Blood Institute (NHLBI) funded trials has increased over time. Methods: We identified all large NHLBI supported RCTs between 1970 and 2012 evaluating drugs or …

Many published research results are false (Ioannidis, 2005), and controversy continues over the roles of replication and publication policy in improving the reliability of research. Addressing these problems is frustrated by the lack of a formal …

Although replications are vital to scientific progress, psychologists rarely engage in systematic replication efforts. In this article, we consider psychologists’ narrative approach to scientific publications as an underlying reason for this neglect …

Although many researchers agree that scientific data should be open to scrutiny to ferret out poor analyses and outright fraud, most raw data sets are not available on demand. There are many reasons researchers do not open their data, and one is …

Newly discovered true (non-null) associations often have inflated effects compared with the true effect sizes. I discuss here the main reasons for this inflation. First, theoretical considerations prove that when true discovery is claimed based on …