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Issues and Debates – The Replication Crisis

6. Addressing Issues of Replicability

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About this Lecture

Lecture

This sixth and final lecture addresses the vital aspect of replicability issues – how we address them in research. Initially, the example from lecture one of the study investigating attractive qualities is used to recap the different aspects of study replication that might cause problems for researchers and results. The first method by which the psychological field has begun to tackle these issues is introduced as pre-registration, whereby researchers set their expectations prior to undertaking the experiment and publish their results irrespective of whether they find a relationship between the variables or not. The next step is a proposal both to mandate larger and more diverse samples to allow for sub-group analysis, and to have a unified theory of human behaviour which can be influenced by new sets of results. The final part of this lecture explores whether psychology can be considered a science, exploring the side which suggests that it is not because of these issues, as well as the side which proposes that the young age of psychology compared to other sciences can forgive its current shortcomings.

Course

In this course, Dr Ayoub Bouguettaya (University of Birmingham) explores a key shortcoming in the field of psychological science – replication. The course starts by introducing the concept of replication and defining science in terms of three key criteria: reliable and valid theory which can predict outcomes, theories that can be disproven by quantifiable experimentation, and theories that are altered or withdrawn in the light of new findings. Lecture two explores reliability and outlines three core issues facing psychological science: quantifiable measures, theories that cannot be disproven, and unrefined theories. Lectures three and four explore the definition of validity, its variety of forms, and the challenges associated with formulating valid research. The fifth lecture highlights the interrelatedness of validity and reliability, as well as returning to this idea of replication and the many famous studies which have failed either conceptual or exact replication. The sixth and final lecture addresses the ways in which the field of psychology is tackling these problems and concludes on two different perspectives on whether psychology can be considered a true science.

Lecturer

Dr Ayoub Bouguettaya is a lecturer in the School of Psychology at the University of Birmingham. His research centres around social psychology and how knowledge from that field can be applied to others, particularly health. Dr Bouguettaya is interested in how we can apply social identity theory to societal problems, as well as investigating the different perspectives one might taken on those issues. His recent publications have spanned a breadth of topics including social identification, eating behaviours, conspiracy theories, and behavioural economics.

Cite this Lecture

APA style

Bouguettaya, A. (2021, November 24). Issues and Debates – The Replication Crisis - Addressing Issues of Replicability [Video]. MASSOLIT. https://massolit.io/courses/issues-and-debates-the-replication-crisis/addressing-issues-of-replicability

MLA style

Bouguettaya, Ayoub. "Issues and Debates – The Replication Crisis – Addressing Issues of Replicability." MASSOLIT, uploaded by MASSOLIT, 30 Nov 2021, https://massolit.io/courses/issues-and-debates-the-replication-crisis/addressing-issues-of-replicability