Commentary: Reproducibility in Psychological Science: When Do Psychological Phenomena Exist?

Commentary: Reproducibility in Psychological Science: When Do Psychological Phenomena Exist?

Reproducibility in Psychological Science: When Do Psychological Phenomena Exist?

Scientific evidence has recently been used to assert that certain psychological phenomena do not exist. Such claims, however, cannot be made because (1) scientific method itself is seriously limited (i.e., it can never prove a negative); (2) non-existence of phenomena would require a complete absence of both logical (theoretical) and empirical support; even if empirical support is weak, logical...

The Value of Direct Replication.

Reproducibility is the cornerstone of science. If an effect is reliable, any competent researcher should be able to obtain it when using the same procedures with adequate statistical power. Two of the articles in this special section question the value of direct replication by other laboratories. In this commentary, I discuss the problematic implications of some of their assumptions and argue t...

What is information? with an Emphasis on Zins’s Views

Purpose: The aim of this paper is to explore some important views and theories of information and knowledge in the area of library and information science (LIS) and then to propose a new model of information and knowledge. Method: This research has been conducted by using a comparative content analysis of the existing materials on conceptualizations and definitions of information and knowledge...

What Should Researchers Expect When They Replicate Studies? A Statistical View of Replicability in Psychological Science.

A recent study of the replicability of key psychological findings is a major contribution toward understanding the human side of the scientific process. Despite the careful and nuanced analysis reported, the simple narrative disseminated by the mass, social, and scientific media was that in only 36% of the studies were the original results replicated. In the current study, however, we showed th...