Dylan Manfredi
A5031460302- Mental Health Research Topics
- Meta-analysis and systematic reviews
- Behavioral Health and Interventions
- scientometrics and bibliometrics research
- Hormonal and reproductive studies
- Optimism, Hope, and Well-being
- Neuroendocrine regulation and behavior
- Global Cancer Incidence and Screening
- Urological Disorders and Treatments
- Face Recognition and Perception
- Sexual Differentiation and Disorders
- Death Anxiety and Social Exclusion
- Experimental Behavioral Economics Studies
- Stress Responses and Cortisol
- Grief, Bereavement, and Mental Health
- Psychology of Moral and Emotional Judgment
- Conflict Management and Negotiation
- Psychological and Educational Research Studies
- Educational and Psychological Assessments
- Hematological disorders and diagnostics
- Radiomics and Machine Learning in Medical Imaging
- Social Power and Status Dynamics
- Decision-Making and Behavioral Economics
- American Environmental and Regional History
- Deception detection and forensic psychology
University of Pennsylvania
2018-2024
Interpreting a failure to replicate is complicated by the fact that could be due original finding being false positive, unrecognized moderating influences between and replication procedures, or faulty implementation of procedures in replication. One strategy maximize quality involving authors study design. We (N = 17 Labs N 1,550 participants, after exclusions) experimentally tested whether author involvement improved replicability classic from Terror Management Theory (Greenberg et al.,...
Being able to replicate scientific findings is crucial for progress. We 21 systematically selected experimental studies in the social sciences published Nature and Science between 2010 2015. The replications follow analysis plans reviewed by original authors pre-registered prior replications. are high powered, with sample sizes on average about five times higher than studies. find a significant effect same direction as study 13 (62%) studies, size of 50% size. Replicability varies 12 (57%)...
Interpreting a failure to replicate is complicated by the fact that could be due original finding being false positive, unrecognized moderating influences between and replication procedures, or faulty implementation of procedures in replication. One strategy maximize quality involving authors study design. We (N = 17 Labs N 1,550 participants, after exclusions) experimentally tested whether author involvement improved replicability classic from Terror Management Theory (Greenberg et al.,...
Replication studies in psychological science sometimes fail to reproduce prior findings. If these use methods that are unfaithful the original study or ineffective eliciting phenomenon of interest, then a failure replicate may be protocol rather than challenge finding. Formal pre-data-collection peer review by experts address shortcomings and increase replicability rates. We selected 10 replication from Reproducibility Project: Psychology (RP:P; Open Science Collaboration, 2015) for which...
Android robots that resemble humans closely, but not perfectly, can provoke negative feelings of dislike and eeriness in (the "Uncanny Valley" effect). We investigated whether category confusion between the perceptual categories "robot" "human" contributes to Uncanny Valley aversion. Using a novel, validated corpus 182 images real robot human faces, we precisely estimated shape location perceived robot/human boundary. To implicitly measure confusion, tracked 358 participants' mouse...
It has been suggested that there are two distinct and parallel mechanisms for controlling instrumental behavior in mammals: goal-directed actions habits. To gain an understanding of how these systems interact to control behavior, it is essential characterize the by which balance between influenced experience. Studies rodents have shown amount training governs relative expression systems: Behavior following moderate training, but more extensively action trained, becomes habitual. less clear...
Replications in psychological science sometimes fail to reproduce prior findings. If replications use methods that are unfaithful the original study or ineffective eliciting phenomenon of interest, then a failure replicate may be protocol rather than challenge finding. Formal pre-data collection peer review by experts address shortcomings and increase replicability rates. We selected 10 from Reproducibility Project: Psychology (RP:P; Open Science Collaboration, 2015) which authors had...
It has been suggested that there are two distinct and parallel mechanisms for controlling instrumental behavior in mammals: goal-directed actions habits. To gain an understanding of how these systems interact to control behavior, it is essential characterize the by which balance between influenced experience. Studies rodents have shown amount training governs relative expression systems: following moderate training, but more extensively action trained, becomes habitual. less clear whether...
Abstract Here we test the feasibility of using decision markets to select studies for replication and provide evidence about replicability online experiments. Social scientists ( n = 162) traded on outcome close replications 41 systematically selected MTurk social science experiments published in PNAS 2015–2018, knowing that 12 with lowest highest final market prices would be replication, along 2 randomly studies. The rate, based statistical significance indicator, was 83% top-12 33%...
Android robots that are close, but imperfect, likenesses of humans can provoke negative feelings dislike and eeriness in (“Uncanny Valley” effect). We investigated whether category confusion between the perceptual categories “robot” “human” contributes to Uncanny Valley aversion. Using a novel, validated corpus 182 images real robot human faces, we precisely estimated shape location perceived robot/human boundary. To implicitly measure confusion, tracked 358 subjects’ mouse trajectories as...
Risen and Gilovich (2008) found that subjects believed “tempting fate” would be punished with ironic bad outcomes (a main effect), this effect was magnified when were under cognitive load (an interaction). A previous replication study (Frank & Mathur, 2016) used an online implementation of the protocol on Amazon Mechanical Turk failed to replicate both interaction. Before run, authors original expressed concern cognitive-load manipulation may less effective implemented than in lab...
As part of the Many Labs 5 project, we ran a replication van Dijk, Kleef, Steinel, and Beest’s (2008) study examining effect emotions in negotiations. They reported that when consequences rejection were low, subjects offered fewer chips to angry bargaining partners than happy partners. We this under three protocols: protocol used Reproducibility Project: Psychology, revised protocol, an online protocol. The averaged one ninth size originally was significant only for However, difference...
Abstract The second-to-fourth digit ratio (2D:4D) has been associated with sexual dimorphism, a lower 2D:4D in males. A large body of research relied on the as proxy for prenatal androgen exposure, and includes reports relationships between wide range human traits. Here, we examine validity by studying association classical Congenital Adrenal Hyperplasia (CAH) due to 21-hydroxylase deficiency, condition characterized excessive exposure androgens during most gestational period. To this end,...
The cognitive reflection test (CRT) is a task that commonly used for measuring one’s tendency to form judgments and make decisions by relying on her intuition, as opposed deliberate thinking. popularity of the CRT research instrument has led concerns participant familiarity might inflate scores in task. Here, we explore possibility overcoming this limitation rewording questions original 7-item CRT. We generated three new versions administered them, well test, 1006 participants from Amazon...
As part of the Many Labs 5 project, we ran a replication Van Dijk, Kleef, Steinel, & Beest’s (2008) study “A social functional approach to emotions in bargaining: When communicating anger pays and when it backfires,” which examined effect negotiations. Dijk et al. report that consequences rejection were low, subjects offered fewer chips angry bargaining partners compared happy partners. In current study, this under three protocols: protocol used Replication Project (2015), revised...