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Updated: May 2, 2026

Using a Comparative Species Approach to Investigate the Neurobiology of Paternal Responses
Published on: September 19, 2011
A Commentary on "Gender Bias in Parental Attitude: An Experimental Approach" by Begum, Grossman, and Islam (2018)
Olle Hammar1,2, Carl Bonander3, Gunther Bensch4
1Department of Economics and Statistics, Linnaeus University, Växjö, Sweden.
Abstract:
Begum et al. (2018) examined gender bias in parental attitudes using an experimental approach in rural Bangladesh. Households were reported as randomly assigned to treatment conditions in a lab-in-the-field allocation task. We show that the group assignment was inherited from Islam (2019), a previous, nonrandomized experiment conducted in the same region. The lack of randomization contradicts the design descriptions provided by the authors in Begum et al. (2018) and elsewhere and raises concerns about the validity of comparisons across treatment groups. This also points to serious shortcomings in the reporting and transparency of the study design-issues that mirror those that led to the retraction of Islam (2019) from the European Economic Review.
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