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Response to comment on “Typical physics Ph.D. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion”

We provide statistical measures and additional analyses showing that our original analyses were sound. We use a generalized linear mixed model to account for program-to-program differences with program as a random effect without stratifying with tier and found the GRE-P (Graduate Record Examination...

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Autores principales: Miller, Casey W., Zwickl, Benjamin M., Posselt, Julie R., Silvestrini, Rachel T., Hodapp, Theodore
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Association for the Advancement of Science 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7274790/
https://www.ncbi.nlm.nih.gov/pubmed/32548268
http://dx.doi.org/10.1126/sciadv.aba4647
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author Miller, Casey W.
Zwickl, Benjamin M.
Posselt, Julie R.
Silvestrini, Rachel T.
Hodapp, Theodore
author_facet Miller, Casey W.
Zwickl, Benjamin M.
Posselt, Julie R.
Silvestrini, Rachel T.
Hodapp, Theodore
author_sort Miller, Casey W.
collection PubMed
description We provide statistical measures and additional analyses showing that our original analyses were sound. We use a generalized linear mixed model to account for program-to-program differences with program as a random effect without stratifying with tier and found the GRE-P (Graduate Record Examination physics test) effect is not different from our previous findings, thereby alleviating concern of collider bias. Variance inflation factors for each variable were low, showing that multicollinearity was not a concern. We show that range restriction is not an issue for GRE-P or GRE-V (GRE verbal), and only a minor issue for GRE-Q (GRE quantitative). Last, we use statistical measures of model quality to show that our published models are better than or equivalent to several alternates.
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spelling pubmed-72747902020-06-15 Response to comment on “Typical physics Ph.D. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion” Miller, Casey W. Zwickl, Benjamin M. Posselt, Julie R. Silvestrini, Rachel T. Hodapp, Theodore Sci Adv Technical Comments We provide statistical measures and additional analyses showing that our original analyses were sound. We use a generalized linear mixed model to account for program-to-program differences with program as a random effect without stratifying with tier and found the GRE-P (Graduate Record Examination physics test) effect is not different from our previous findings, thereby alleviating concern of collider bias. Variance inflation factors for each variable were low, showing that multicollinearity was not a concern. We show that range restriction is not an issue for GRE-P or GRE-V (GRE verbal), and only a minor issue for GRE-Q (GRE quantitative). Last, we use statistical measures of model quality to show that our published models are better than or equivalent to several alternates. American Association for the Advancement of Science 2020-06-05 /pmc/articles/PMC7274790/ /pubmed/32548268 http://dx.doi.org/10.1126/sciadv.aba4647 Text en Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). http://creativecommons.org/licenses/by-nc/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license (http://creativecommons.org/licenses/by-nc/4.0/) , which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.
spellingShingle Technical Comments
Miller, Casey W.
Zwickl, Benjamin M.
Posselt, Julie R.
Silvestrini, Rachel T.
Hodapp, Theodore
Response to comment on “Typical physics Ph.D. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion”
title Response to comment on “Typical physics Ph.D. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion”
title_full Response to comment on “Typical physics Ph.D. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion”
title_fullStr Response to comment on “Typical physics Ph.D. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion”
title_full_unstemmed Response to comment on “Typical physics Ph.D. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion”
title_short Response to comment on “Typical physics Ph.D. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion”
title_sort response to comment on “typical physics ph.d. admissions criteria limit access to underrepresented groups but fail to predict doctoral completion”
topic Technical Comments
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7274790/
https://www.ncbi.nlm.nih.gov/pubmed/32548268
http://dx.doi.org/10.1126/sciadv.aba4647
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