Alexander W. Levis

Also affiliated with University of Pennsylvania

MathematicsDecision SciencesSocial SciencesComputer Science

Pilot corpus only

This score is computed over theSindex pilot corpus and does not cover the full scientific literature. Scores are relative to papers we have ingested — papers, authors, and institutions outside the pilot are not represented. Methodology.

Top 100%percentile

0Author DataRank

Indexed papers

0in pilot corpus

datarank_citation_only_1hop_v6· scope data_onlyMethodology

Papers

Driven by 19 papers. Top paper: “The Accuracy of the Patient Health Questionnaire-9 Algorithm for Screening to Detect Major Depression: An Individual Participant Data Meta-Analysis”.

The Accuracy of the Patient Health Questionnaire-9 Algorithm for Screening to Detect Major Depression: An Individual Participant Data Meta-Analysis

Psychotherapy and Psychosomatics(2019)10.1159/000502294

N/A

4.8DataRank · unranked

123 citations

Brooke Levis, Kira E. Riehm, Nazanin Saadat, Alexander W. Levis, Marleine Azar +74 more

Probability of major depression diagnostic classification using semi-structured versus fully structured diagnostic interviews

The British Journal of Psychiatry(2018)10.1192/bjp.2018.54

N/A

1.7DataRank · unranked

69 citations

Andrea Benedetti, Kira E. Riehm, Nazanin Saadat, Alexander W. Levis, Marleine Azar +75 more

Shortening self-report mental health symptom measures through optimal test assembly methods: Development and validation of the Patient Health Questionnaire-Depression-4

Depression and Anxiety(2018)10.1002/da.22841

N/A

1.1DataRank · unranked

26 citations

Daphna Harel, Brooke Levis, Alexander W. Levis, Kira E. Riehm, Nazanin Saadat +35 more

Equivalency of the diagnostic accuracy of the PHQ-8 and PHQ-9: a systematic review and individual participant data meta-analysis

Psychological Medicine(2019)10.1017/s0033291719001314

N/A

0.901DataRank · unranked

405 citations

Brooke Levis, Kira E. Riehm, Nazanin Saadat, Alexander W. Levis, Marleine Azar +67 more

Data-Driven Cutoff Selection for the Patient Health Questionnaire-9 Depression Screening Tool

JAMA Network Open(2024)10.1001/jamanetworkopen.2024.29630

N/A

0.663DataRank · unranked

22 citations

Parash Mani Bhandari, Tiffany Dal Santo, Suiqiong Fan, Ying Sun, Chen He +125 more

Equivalency of the diagnostic accuracy of the PHQ-8 and PHQ-9: a systematic review and individual participant data meta-analysis – ERRATUM

Psychological Medicine(2019)10.1017/s0033291719002137

N/A

0.494DataRank · unranked

26 citations

Brooke Levis, Kira E. Riehm, Nazanin Saadat, Alexander W. Levis, Marleine Azar +65 more

External validation of a shortened screening tool using individual participant data meta-analysis: A case study of the Patient Health Questionnaire-Dep-4

Methods(2022)10.1016/j.ymeth.2021.11.005

N/A

0.292DataRank · unranked

6 citations

Brooke Levis, Ying Sun, Felix H. Fischer, Pim Cuijpers, Scott B. Patten +116 more

Equivalency of the diagnostic accuracy of the PHQ-8 and PHQ-9: A systematic review and individual participant data meta-analysis

UNC Libraries(2024)10.17615/vqye-qg46

N/A

0DataRank · unranked

0 citations

Brooke Levis, Kira E. Riehm, Navid Saadat, Alexander W. Levis, Marleine Azar +63 more

Author response for "Shortening the Edinburgh Postnatal Depression Scale using Optimal Test Assembly Methods: Development of the EPDS‐Dep‐5"

(2020)10.1111/acps.13272/v2/response1

N/A

0DataRank · unranked

0 citations

Brooke Levis, Miyabi Ishihara, Alexander W. Levis, Simone N. Vigod, Louise M. Howard +60 more

The Accuracy of the Patient Health Questionnaire-9 Algorithm for Screening to Detect Major Depression: An Individual Participant Data Meta-Analysis

UNC Libraries(2024)10.17615/ejch-5n22

N/A

0DataRank · unranked

0 citations

Brooke Levis, Kira E. Riehm, Navid Saadat, Alexander W. Levis, Marleine Azar +71 more

Probability of major depression diagnostic classification using semi-structured versus fully structured diagnostic interviews

UNC Libraries(2024)10.17615/zrfp-g315

N/A

0DataRank · unranked

0 citations

Andrea Benedetti, Kira E. Riehm, Navid Saadat, Alexander W. Levis, Marleine Azar +71 more

Multi-Source Conformal Inference Under Distribution Shift

PubMed(2024)10.48550/arxiv.2405.09331

N/A

0DataRank · unranked

5 citations

Alexander W. Levis, Sharon‐Lise T. Normand, Larry Han, Yi Liu

Robust causal inference for point exposures with missing confounders

Canadian Journal of Statistics(2024)10.1002/cjs.11832

N/A

0DataRank · unranked

3 citations

Rajarshi Mukherjee, Rui Wang, Sebastien Haneuse, Alexander W. Levis

Double Sampling for Informatively Missing Data in Electronic Health Record‐Based Comparative Effectiveness Research

Statistics in Medicine(2024)10.1002/sim.10298

N/A

0DataRank · unranked

2 citations

Rajarshi Mukherjee, Rui Wang, Heidi Fischer, Sebastien Haneuse, Alexander W. Levis

Shortening self-report mental health symptom measures through optimal test assembly methods: Development and validation of the Patient Health Questionnaire-Depression-4

UNC Libraries(2024)10.17615/shcj-ke76

N/A

0DataRank · unranked

0 citations

Pim Cuijpers, Yeates Conwell, Brett D. Thombs, Adam Simning, Peter Butterworth +36 more

Comparing Causal Inference Methods for Point Exposures with Missing Confounders: A Simulation Study

arXiv (Cornell University)(2024)10.48550/arxiv.2407.06038

N/A

0DataRank · unranked

0 citations

Alexander W. Levis, Sebastien Haneuse, Luke Benz

Estimating weighted quantile treatment effects with missing outcome data by double sampling

Biometrics(2025)10.1093/biomtc/ujaf038

N/A

0DataRank · unranked

0 citations

Sebastien Haneuse, Alexander W. Levis, Catherine Lee, David Arterburn, Heidi Fischer +3 more

Comparing causal inference methods for point exposures with missing confounders: a simulation study

BMC Medical Research Methodology(2025)10.1186/s12874-025-02675-2

N/A

0DataRank · unranked

0 citations

Alexander W. Levis, Sebastien Haneuse, Luke Benz

Causal Inference in Studies with Functional Unmasking: Psychedelics and Beyond

medRxiv(2025)10.64898/2025.12.05.25341713

N/A

0DataRank · unranked

0 citations

Mats Julius Stensrud, Sandeep M. Nayak, David B. Yaden, Alexander W. Levis, Gabriel Loewinger