1. Mem. ASME Department of Industrial and Manufacturing Engineering, The Pennsylvania State University, 310 Leonhard Building, University Park, PA 16802 e-mail:
2. Industrial and Organizational Psychology, The Pennsylvania State University, 140 Moore Building, University Park, PA 16802 e-mail:
3. Mem. ASME School of Engineering Design, Technology and Professional Programs, and the Department of Industrial and Manufacturing Engineering, The Pennsylvania State University, 213 Hammond Building, University Park, PA 16802 e-mail: