Guang‑Hwa Andy Chang 

Professor, Mathematics and Statistics

Youngstown State University, Youngstown, OH 44555

 (330) 941‑1818(Office) or (330) 941‑3302(Dept.)

E‑Mail: gchang@ysu.edu  Webpage: http://www.cc.ysu.edu/~ghchang/

 

Education

 

            Ph.D.  Mathematics/Statistics, Texas Tech University, 1993    

                        Dissertation: ”Nonparametric ANOCOVA in Block Designs”

            M.S.    Mathematics/Computer Science, Texas Tech University, 1987

                        Master report: ”Image Enhancement and Restoration for Ultrasound B-Scan Images in Medical Applications”

            B.S.     Navigation/Transportation Management,

                        National Taiwan Ocean University, 1981

 

Professional Positions

 

2004 – present          Professor, Department of Mathematics and Statistics, Youngstown State University

2005 – present          Coordinator, Eastern Microbial Round-Robin Consortium

2001 – present          Director of Biostatistics Core Course, Consortium of Eastern Ohio Universities Master of Public Health Program.

1993 – 2007              Statistics Coordinator, Department of Mathematics and Statistics, Youngstown State University

1998 – 2004              Associate Professor, Department of Mathematics and Statistics, Youngstown State University

2000 – 2001              Computer Vision Consultant, Robotic Vision System Inc.

1996 - 2008              Statistical Consultant, Data for Professionals

1993 – 1998              Assistant Professor, Department of Mathematics and Statistics, Youngstown State University 

            1993 summer            Part‑time Instructor, Department of Mathematics, Texas Tech University

            1984 – 1993              Teaching and Research Assistant, Texas Tech University

 

Honors and Awards

 

Outstanding MPH Faculty Awards, Consortium of Eastern Ohio Universities Master of Public Health Program, 2005, 2007, and 2009.

YSU Research Professorship, 1995, 2004, 2009.

Faculty Advisor, YSU Actuarial Science Club, 2008 – present.

Faculty Member of Delta Omega Alpha Chi Chapter National Honorary Society since 2008.

YSU Distinguished Professor, 2007.

Faculty Member of the National Honor Society of Kappa Phi Kappa since 2007.

Affiliate Graduate Faculty Member of Virginia Commonwealth University, 2003 – 2006

Graduate Faculty Member of Youngstown State University, 1993 – present

Scholarship, Department of Mathematics, Texas Tech University, 1992-1993

Outstanding Graduate Student Teacher Award, Texas Tech University, 1991

Outstanding Mathematics Graduate Student, Department of Mathematics, Texas Tech University, 1990-1991.

Scholarship, National Taiwan College of Marine Science and Technology, 1979

 

Memberships in Professional Societies

 

Member of the American Statistical Association (ASA)

            Member of the American Public Health Association (APHA)

            Member of the Mathematical Association of America (MAA)

Member of the Southwestern Society of Economists (SSE)

Member of the Society for Industrial and Applied Mathematics (SIAM)

            Member of the Pi Mu Epsilon, the National Mathematics Honorary Society

            Member of the International Chinese Statistical Association

 

Publications

 

K. Ding, G. Chang, R. Southerland, “Age of Inhalant First Time Use and its Association to the Use of Other Drugs”, to appear in Journal of Drug Education.

S. Sanders, G. Andy Chang, C. Mikanowicz, and C. Sellaro, “Prompt Feedback: Expectations of Students and Faculty”, Proceedings of the Asian Conference on Education, 2009.

M. Delost, W. Miller, G. Chang, W. Korzun, and R. Nadder, “Influence of Credentials of Clinical Laboratory Professionals on Proficiency Testing Performance,” American Journal of Clinical Pathology, 132, p.550-554, 2009.

Y. Chi, and G. Andy Chang, “Modeling U.S. Wildlife Watching Trip Expenditures with Zero Observations,” Southwestern Journal of Economics, Vol. XI., No. I, p.30-52, 2009.

G. Chang, J. Kerns, D. Lee, and G. Stanek, “Calibration Experiments for a Computer Vision Oyster Volume Estimation System,” Journal of Statistical Education, Vol. 17, No. 2, 2009.

S. Sanders, C. Mikanowicz, G. Andy Chang, and C. Sellaro, “Feedback Expectations of Students and Faculty in Undergraduate and Graduate Education,” the 6th Annual Hawaii International Conference on Education Proceedings, p.1103-1117, 2008.

McMahon, G. Andy Chang, C. Mikanowicz, and C. Sellaro, “Assessing Diversity Outcomes in a College of Business Management Curriculum,” Proceedings of The 30th Annual Meeting of Northeastern Association of Business, Economics and Technology, p. 308-317, 2007.

Yeong Nain Chi and G. Andy Chang, “Determinants of Nonresidential Wildlife Watching Consumption: A Tobit Analysis,” Tourism Analysis, Vol. 11, No. 1, p. 25-32(8), 2006.

T. Y. Wang and G. Andy Chang, “Political Tolerance in a Democracy under External Threats: A Survey of Public Opinion in Taiwan”, Political Research Quarterly, Vol. 59, No. 3, p. 377-388, 2006.

S. Sanders, C. Mikanowicz, C. Sellaro, and G. Andy Chang, “Development of A WebCT Orientation Course to Facilitate Online Learning,” Selected Papers From the 14th International Conference on College Teaching and Learning, 115-131, 2006.

T. Y. Wang and G. Andy Chang, “Ethnicity and Politics in Taiwan: An Analysis of Mainlander's Identity and Policy Preference,” Issues and Studies, 41, No. 4, 35-66, 2005.

G. Andy Chang and T. Y. Wang, “Taiwanese or Chinese? Independence or Unification? An Analysis of Generational Differences in Taiwan,” Special Issue of Journal of Asian and African Studies, Vol. 40, No. 1-2, p.29-49, 2005.

Y. N. Chi and G. Chang, “How to Handle High Proportion of Zero Observations in the Cross-Section Studies: Application to Nonresidential Wildlife Watching Expenditures,” USDA Proceedings of the Northeastern Recreation Research Symposium, 90-97, 2004.

G. Chang, “An Interactive Videoconference Distance Learning Biostatistics Course,” The Proceedings of International Conference on Statistics and It’s Related Fields, 2003.

D. Lee, R. Lane and G. Chang, “Three-dimension Reconstruction for High-speed Volume Measurement,” Proceedings of the International Society for Optical Engineering, Machine Vision and Three-Dimensional Imaging Systems for Inspection and Metrology, Volume 4189, p.258-267, 2001.

J. Williamson and G. Chang, “A Test Statistic in Predicting Ordinal Response,” American Statistical Association Proceedings, Statistical Computing Section, p.88-91, 1997. 

G. Chang, “Nonparametric Procedures for Analysis of Covariance in Randomized Block Designs,” Proceedings of the 1997 Ohio Chinese Academic and Professional Association, p.36.

G. Chang, H. Mansouri, and Dawn Huffman, “Nonparametric Tests for Ordered Alternatives in Two-way Layouts”, COMPSTAT, Short Communications, p.27-28, 1996.

H. Mansouri and G. Chang, “A Comparative Study of some Rank Tests for Testing Interaction,” The Journal of Computational Statistics and Data Analysis, 19, p.85-96, 1995.

G. Chang and H. Mansouri,  “A Simulation Study of Some Rank Tests for Interaction in Two-way Layouts,” Computing Science and Statistics, 26, p.451-454, 1994. 

G. Chang and H. Mansouri, “Nonparametric ANOCOVA in Randomized Block Designs,” American Statistical Association Proceedings of the Statistical Computing Section, p.204-219, 1993. 

 

Selected Research Presentations

 

S. Sanders, G. Andy Chang, C. Mikanowicz, and C. Sellaro, “Prompt Feedback: Expectations of Students and Faculty”, the Asian Conference on Education, Osaka, Japan, 2009.

K. Ding, G. Andy Chang, and R. Southerland, “Age of First Time Inhalant Use and Its Correlation to the Use of Other Drugs,” the 136th American Public Health Association Annual Meeting, San Diego, CA, 2008.

S. Sanders, C. Mikanowicz, G. Andy Chang, and C. Sellaro, “Feedback Expectations of Students and Faculty in Undergraduate and Graduate Education,” the 6th Annual Hawaii International Conference on Education, Honolulu, Hawaii, 2008.

McMahon, G. Andy Chang, C. Mikanowicz, and C. Sellaro, “Assessing Diversity Outcomes in a College of Business Management Curriculum,” The 30th Annual Meeting of Northeastern Association of Business, Economics and Technology, State College, PA, October 2007.

K. Ding, R. Southerland, and Andy Chang, “Age of First Time Inhalant Use and Its Correlation to the Use of Other Drugs”, Ohio Combined Public Health Conference, Columbus, 2007.

Y.N. Chi and G. Andy Chang, “A Tobit Analysis of Forest Ecotourism Expenditures,” Annual Southwestern Society of Economists Conference, San Diego, California, March, 2007.

G. Andy Chang, Discussant, “Health Related Research in Education”, at Educational Research Exchange Fourth Annual Conference, Youngstown, March, 2007.

M. Delost, T. Nadder, W. Miller, G. Chang, W. Korzun, “Are Quality Laboratory Services Related to Personnel Credentials?” American Society for Clinical Laboratory Science Conference Annual Meeting, Chicago, July, 2006.

S. Sanders, C. Mikanowicz, C. Sellaro, and G. Andy Chang, “Development of A WebCT Orientation Course to Facilitate Online Learning,” the 14th International Conference on College Teaching and Learning, Jacksonville, FL, April, 2006.

G. Andy Chang and Yeong Nain Chi, “Green Market Segmentation Associated with Forest Values,” the 33rd Annual Meeting of the Academy of Economics and Finance, Houston, Texas, February, 2006.

Yeong Nain Chi and G. Andy Chang, “Environmental Ethics: An Empirical Study,” presented at the 17th Northeastern Recreation Research Conference, Bolton Landing, NY, April, 2005.

M. Delost, W. Miller, G. Chang, W. Korzun, T. Nadder, “The Relationship of Proficiency Test Performance to Personnel Credentials of Laboratory Testing Personnel,” Clinical Laboratory Educator's Conference, Feb., 2005.

 

 

Yeong Nain Chi and G. Andy Chang, “Using Multivariate Analysis to Measure Visitors’ Attitudes Toward Forest Resources,” presented at the International Conference on Statistics and It’s Related Fields, Hawaii, Jan., 2005.

T. Y. Wang and G. Andy Chang, “Threat Perceptions and Political Tolerance in Taiwan,” presented at International Conference on Taiwan Election and Democratization Studies Academia Sinica, Taipei, Taiwan, September 25-26, 2004.

G. Andy Chang and Yeong Nain Chi, “An Examination of Public Attitudes Toward Forest Resources,” presented at 10th International Interdisciplinary Conference on the Environment Boston, July, 2004.

Yeong Nain Chi and G. Andy Chang, “How to Handle High Proportion of Zero Observations in the Cross-Section Studies: Application to Nonresidential Wildlife Watching Expenditures,” presented at the 16th Northeastern Recreation Research Conference, Bolton Landing, NY, March, 2004.

Yeong Nain Chi and G. Andy Chang, “Determinants of Nonresidential Wildlife Watching Consumption: A Tobit Analysis,” presented at the 26th Southeastern Recreation Research Conference, Charleston, SC, Feb., 2004.

G. Chang and T. Y. Wang, "Taiwanese or Chinese? Independence or Unification? An Analysis of Generational Differences in Taiwan," presented at the International Conference on Taiwan’s Election and Democratization Studies, Taipei, Taiwan, Nov., 2003.

Candel, M. Matanin, G. Chang, and J. Pintar, “Assessing Self-Perceptions of Body Weight & Eating Behaviors among Children,” the Midwest American College of Sports Medicine Annual Conference, November, 2003.

G. Chang and T. Y. Wang, “Waishenren or New Taiwanese: Changing National Identities of Mainlanders in Taiwan,” paper presented in the Conference on Electoral Politics in Taiwan, SC, April, 2003.

“An Interactive Videoconference Distance Learning Biostatistics Course” The International Conference on Statistics and It’s Related Fields, Hawaii, June, 2003.

“Statistical Correlation and Regression”, St. Elizabeth Health Center, May, 2003.

G. Chang, C. Mikanowicz, D. Sellaro, and S. Sanders, “Efficacy of Distance Learning Methods Used in Higher Education” the 14th International Conference on College Teaching and Learning, March, 2003.

“Statistical Significance in Medical Research”, St. Elizabeth Health Center, 2002.

D. Lee, R. Lane and G. Chang, “Three-dimension Reconstruction for High-speed Volume Measurement,“ The International Society for Optical Engineering, SPIE Conference, Boston, MA, Nov., 2000.

C. Mikanowicz, G. Chang, and D. Fitzgerald, “Does AIDS and Contraceptive Education in High School Impact on Prevention?” 128th American Public Health Association Annual Meeting, Boston, MA, Oct., 2000.

“Statistics and Computer Vision,” at Indiana University of Pennsylvania, March 2000.

C. Mikanowicz, G. Chang, and D. Fitzgerald, “The Health Beliefs of College Students about HIV/AIDS,” YSU Quest, April 1999.

G. Chang, “Is Rank Transformation Method a Bad Idea?” invited speech at the American Statistical Association Cleveland Chapter’s meeting, September 1998.

G. Chang, “Understanding Educational Experiences in the City Public Schools,” YSU QUEST, April 1998.

“The Long-term and Short-term Consequences of the Preschool Experience,” the Society of Applied Sociology 15th Annual Meeting, Chicago, October 1997.

“A Test Statistic in Predicting Ordinal Response,” the American Statistical Association 157th Annual Meeting, Anaheim, California, August 1997.

“Nonparametric Procedures for Analysis of Covariance in Randomized Block Designs,” invited speaker, the Annual Symposium of Ohio Chinese Academic and Professional Association, Applied Mathematics and Statistics Session, May 1997.

“Issues in Constructing a Statistics Minor,” the Ohio Statistics Education Conference on April 12, 1997.

“National Trends in Radio Station Transactions (1992-1996): The Duopoly Phenomena” with Dr. Linwood Hagin, at the QUEST 97, March 1997.

“Nonparametric Tests for Ordered Alternatives in Two-way Layouts”, paper presented at the XII biennial Symposium in Computational Statistics, August 1996.

“Rank Test for Ordered Alternatives,” the Quest 96, YSU, April 1996.

“A Simulation Study of Some Rank Tests for Interaction in Two-way Layouts,” paper presented at the 26th Symposium on the Interface: Computing Science and Statistics, June 1994.

“Nonparametric ANOCOVA in Block Designs,” paper presented at the American Statistical Association 153rd Annual Meeting, 1993.

 

Selected Internal/External Grant

 

National Science Foundation CCLI Grant, NSF 08-546, Role: Co-PI, (with Hazel Marie, Gary Walker, and Jay Kerns), 07/31/2009 – 07/31/2011, Course, Curriculum and Laboratory Improvement. Develop course that will bring together students and faculty from mechanical engineering and biological sciences to study issues involved in the engineering of connective tissues, and encourage and stimulate participation by students from diverse gender, cultural and ethnic backgrounds.

FERPCBM Grant, Ohio Department of Education, Role: Project Evaluator; PI: Pollack, David, 09/01/06-08/31/09, Far East Regional Partnership for Conceptually Based Mathematics. This project utilizes a conceptual approach to develop deep content knowledge at a level appropriate for the teacher while modeling activities appropriate for all students.

University Research Council Grant, YSU, 08-09, Role: PI, Investigation of Inhalants Use and Gateway Drug Hypothesis. The goal of the project was to investigate the utility of the variable Age of Drug Use at First time, especially the age of inhalant use at first-time.

University Research Council Grant, YSU, 07-08, Role: PI, Forest Ecotourism Expenditure Analysis. The goal of the project was to analyze individual consumption behavior associated with forest ecotourism activities in Taiwan.

IPRP Research Award, NEOUCOM, 06-07, Role: Co-PI, (with Ding, Kele), Age of First Time Inhalant Use and Its Correlation to the Use of Other Drugs. The study intended to investigate the utility of the variable age of first-time drug use, especially first-time inhalant use, via a secondary data analysis by using data collected by the National Survey on Drug Use and Health. The study also intends to develop a data collection protocol for further investigation.

University Research Council Grant, YSU, 06-07, Role: PI, Eco-label Product Purchasing Behavior Analysis. The goal of the project was to identify significant factors that affect eco-label product purchasing behavior.

University Research Council Grant, YSU, 05-06, Role: PI, An Empirical Study on Environmental Ethics.  The goal of this project was to provide insight into the understandings of public preferences of environmental ethics that can be used to frame alternatives and scenarios for natural resource management and nature-based tourism development.

University Research Council Grant, YSU, 04-05, Role: PI, Cross-Straight Relation Between China and Taiwan.   The goal of the project was to understand public’s opinion on the relation between China and Taiwan.

University Research Council Grant, YSU, 03-04, Role: PI, Computer Vision for Metrology.  The goal was to evaluate a new non-invasive computer vision metrology system and develop better algorithm for volume estimate for agriculture product.

 

Selected Consulting  

 

Refereed journal articles for: American Statistician, Journal of Multimedia, Journal of Economics and Politics, Optical Engineering, Food Engineering, Mathematical and Computer Modeling, Machine Vision and Applications.

Statistics book reviews for International Thomas Publishing Company, McGraw- Hill, Prentice-Hall, and Freeman.

Characterization and Epidemiologic Investigation of a Novel Electronegative VLDL in Diabetic and Prediabetic Populations, for Dr. C. Chan, Bayler College of Medicine, 2008.

Evaluation of Statin Effects of L5’s Compositional and Functional Properties, for Dr. C. Chan, Bayler College of Medicine, 2007.

Prediction of Discharge Disposition of Orthopaedic Trauma Patients Prior to Treatment, M.K. Barrette-Grischow, B.H. Ziran, St. Elizabeth Health Center, 2007.

OMNI Scale of Perceived Exertion for Children with Autism, for Dr. J. Pintar, 2006.

Interlaboratory Comparisons on Spore Counts for Indoor Air Quality, for Eastern Environmental Microbial Consortium, 2005-present.

Identification of Gram-Positive Cocci in Blood Cultures by Tem-PCRtm Combined with Flow Cytometry, for Nabin K. Shrestha, MD, and Gary W. Procop, MD, The Cleveland Clinic Foundation.

Behavioral Study on Diabetics, for Jung Kim, MD, St. Elizabeth Hospital, 2003-05.

Assessing the Physical Activity and Health Behavior Perceptions and Attitudes Within the Student Population of the National Youth Sports Program At Youngstown State University, for A. Candel and J. Pintar, 2003.

Hyperopic LASIK Enhancement for Over-treated Myopic Patients, for David P. Roncone, O.D. and Philip C. Roholt, M.D., Roholt Vision Institute, 2003.

Placement of Students in Chemistry Class for Dr. M. Serra, professor of Chemistry, 2003.

Linguistics Research for Dr. Salvatore, professor of English, YSU, 2003.

A survey of Attitudes Toward Treatment of Chronic Fatique Syndrome, for Dr. S. Gallagher Warder, J. Cebula and E. Glass, Department of Counseling, YSU, 2002.

Computer Vision System for Volume Measurement for Dr. D. Lee, professor of Electrical Engineering, Brigham Young University, 2002-present.

Blood Glucose Study, for Tony DiStefano and Dr. Joe Mistovich, Allied Health, 2002-2003.

Consulting on Clinical Research for Drs. Schuele, Pothier and Villa-Forte and other physicians and residents, Cleveland Clinic Foundation, 2001-present.

The Impact of High School AIDS and Contraceptive Education on AIDS Prevention, with Dr. C. Mikanowicz and D. Fitzgerald, professors of Allied Health and Nursing, since 1999.

Applied Sociology Research on Youngstown City Headstart Programs, for Drs. Qi Jiang, Rosemary D’Apolito and Beverly Gartland, professors of Sociology, YSU, 1997-1999.

The Health Practices and Behaviors of Health Educators and Professionals, for Dr. Carol Mikanowicz and Dorcas Fitzgerald, YSU, 1997-1999.

Categorical Data Analysis Procedures, statistical consulting for Data for Professionals, Canfield, Ohio, 1996-present.

Statistical Analysis of Radio Station Transactions, for Dr. Hagin, professor of Mass Communication, research papers were presented at the 27th Popular Culture Association & 19th American Culture Association Conferences, 1997.

Epidemic of Violence in America, for Dr. Pierce, professor of Criminal Justice, YSU and his student Mr. Chris Lowenkamp.  Result was presented at the 1997 annual meeting of the Academy of Criminal Justice Sciences, Louisville, KY.

The Economic Impact Analysis of Copperweld Steel Company, statistical consulting for Center for Urban Studies, Youngstown State University, 1994.

 

Statistics Courses Taught

 

Introductory Statistics, Biostatistics, Mathematical Statistics, Probability Theory, Statistical Theory, Statistical Computing, Categorical Data Analysis, Nonparametric Statistics, Linear Statistical Models.

 

Web Publishing on Software Manuals

 

SPSS Text and Video Instructions.

R, Rcommander, and IPSUR Instructions.