Professional Personnel Development Center (PPDC)

  • United States

Organization profile

Organization profile

Research Interests

Fingerprint Dive into the research topics where Professional Personnel Development Center (PPDC) is active. These topic labels come from the works of this organization's members. Together they form a unique fingerprint.

occupational safety Social Sciences
clubs Social Sciences
Occupational Health Medicine & Life Sciences
strike Social Sciences
hearing protection Social Sciences
leader Social Sciences
economy Social Sciences
educator Social Sciences

Network Recent external collaboration on country level. Dive into details by clicking on the dots.


No photo of Mark D. Threeton

Research Output 1996 2019

  • 3 Citations
  • 1 h-Index
  • 3 Article

An investigation of instructional practices which promote occupational safety and health

Threeton, M. D., Kwon, K., Fleck, J. A., Ketchem, R. B. & Farzam, L., Jan 1 2019, (Accepted/In press) In : International Journal of Occupational Safety and Ergonomics.

Research output: Contribution to journalArticle

occupational safety
Occupational Health
hearing protection

Understanding the knowledge and use of experiential learning within Pennsylvania 4-H clubs

Bechtel, R., Ewing, J., Threeton, M. D. & Mincemoyer, C. C., Oct 1 2013, In : Journal of Extension. 51, 5, 5RIB7.

Research output: Contribution to journalArticle

online survey
1 Citation (Scopus)

Ballpark estimates: Impact of the 1994 baseball strike on the Pennsylvania economy

Passmore, D. L., Pellock, C. & Wang, G., Dec 1 1996, In : Journal of Sport and Social Issues. 20, 2, p. 161-172 12 p.

Research output: Contribution to journalArticle

regional economy