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Dissertation Defense for Denise Fedlan

To: Students, Faculty and Staff
From: Gaurav Mathur, Ph.D., Dean of the Graduate School
Re: Dissertation Defense for Denise Fedlan

It is my pleasure to announce that Denise Fedlan, a Ph.D. candidate in the Department of Psychology, will defend her dissertation on “Examining the relationship between perceived parenting style and attachment in deaf adults (A replication study)” on Wednesday, September 23, 2020 at 1:00 p.m. Eastern Time. The first forty minutes of the dissertation defense are open to the Gallaudet community via a live webinar.  Register here to attend. 

The purpose of Ms. Fedlan’s study was to expand current psychological perspectives on research replication through a study assessing parenting style, attachment, and self-concept in deaf and hearing adults. This study expands on the traditional emphasis of significance testing in replication research by conducting a broader analysis of data trends through a conceptual replication of Fedlan (2018).  Although some conceptual trends were identified and supported, evident differences between studies occurred across analyses in areas of significance, direction, strength, and the nature of the effects.  In view of differences between sample characteristics and the effects of small and underpowered samples, the determination of replication outcomes as they relate to specific hypotheses on parenting style and attachment in deaf adults remains debatable.  The current study underlines the intricacies of replication from multiple viewpoints, which involves the importance of study methodology, the statistical considerations of small and underpowered samples, sample heterogeneity, the determination of replication outcomes, and the nuances involved in developing an appropriate threshold for “success” in replication studies. It also highlights areas for further study regarding the relationship between parenting, attachment, and self-concept in deaf and hearing adults.

The members of Ms. Fedlan’s dissertation committee are Dr. Lori Day, Department of Psychology, chair of the dissertation committee; Dr. Cara Miller, Department of Psychology; Dr. Patrick Brice, Department of Psychology (retired); Dr. Colleen Caverly; and Dr. Regina Nuzzo, Department of Science, Technology, and Mathematics.

Ms. Fedlan entered the Clinical Psychology doctoral program in the Fall of 2016. Her graduate research has focused on the association between perceived parenting style, attachment, and self-concept in adults who are deaf and hearing with a special focus on replication/reproducibility of findings in the field of psychology. Throughout her graduate training thus far, Denise’s clinical work has focused on providing services in a university counseling center, as well as with a diverse inpatient population of children, adolescents, and adults at the Psychiatric Institute of Washington. Ms. Fedlan is currently in her second year at the Psychiatric Institute of Washington, where she is providing tele-health services during the COVID-19 pandemic.

Throughout her graduate studies, Ms. Fedlan has also presented her research projects at the American Psychological Association annual convention, worked as a research assistant for the Early Education and Literacy Lab (EL2), and served as a teaching assistant for graduate-level statistics for two years. Additionally, Denise serves as a graduate assistant at Gallaudet University’s Counseling and Psychological Services, where she supports practicum students with their assessment work.  This fall, she plans to apply for a predoctoral internship where she hopes to continue inpatient work.

Please join me in extending best wishes to Denise Fedlan for her dissertation defense.

Posted by Elizabeth Gibbons | Posted September 11, 2020 at 10:09 AM

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