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Concerns About Replicability Across Two Crises in Social Psychology.

Daniël Lakens¹

¹Eindhoven University of Technology, The Netherlands.

International Review of Social Psychology

|September 15, 2025

Summary

Social psychology faced two confidence crises, one in the 1960s-70s and another in the 2010s. This study compares how researchers addressed replicability concerns during both periods.

Keywords:

ethics history of psychology methodology replication

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Area of Science:

Social Psychology
Psychological Science

Background:

Social psychology has experienced two major crises of confidence.
The first crisis occurred from the 1960s to the 1970s, and the second crisis emerged in the 2010s.

Purpose of the Study:

To examine the similarities and differences between these two crises in social psychology.
To focus on how researchers discussed concerns about the replicability of findings during both periods.

Main Methods:

Analysis of extensive quotes from articles published during the 1960s-1970s and 2010s crises.
Comparative examination of discussions on research replicability.

Main Results:

Identifies parallels and divergences in how replicability was discussed across the two crises.
Explores reasons for increased attention to failed replications in the second crisis.
Highlights the ongoing lack of incentives for conducting replication studies.

Conclusions:

Replication concerns have been a recurring issue in social psychology.
Large-scale research projects are crucial for driving change and improving scientific rigor.
Understanding past crises can inform current practices and future directions in the field.