Browsing by Author "Jerry L. Purswell"

Now showing items 1-12 of 12

    • Adaptive Effects of Static Muscular Strength Training 

      LaVerne L. Hoag; J. Robert Howard; Jerry L. Purswell (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1975-10-01)
      The trend towards mechanization of tasks involving manual labor has increased the importance of static muscular activity (isometric contractions). Information about the physiological reaction to static muscular activity ...

    • Coefficient of Friction and Subjective Assessment of Slippery Work Surfaces 

      Eric E. Swensen; Jerry L. Purswell; Robert E. Schlegel; Ronald L. Stanevich (Human Factors: The Journal of the Human Factors and Ergonomics Society, 1992-02-01)
      Research was conducted to determine how well subjects could distinguish between surfaces with different coefficient of friction (COF) values and to evaluate how well subjective ratings of slipperiness correlated with the ...

    • Escape Worthiness of Vehicles with Passive Belt Restraint Systems 

      Edmundo Rodarte; Jerry L. Purswell; Robert Schlegel; Richard F. Krenek (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1994-10-01)
      There are a variety of conditions that can exist in the post-crash environment which make rapid escape necessary for survival or to avoid further injury. These include a post-crash fire, the vehicle going into the water, ...

    • Examining the Value of Expert Testimony regarding Warnings 

      Timothy P. Rhoades; J. Paul Frantz; Donald P. Horst; J. Paul Frantz; Kenneth R. Laughery; Jerry L. Purswell (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1995-10-01)
      This alternative format session is designed to examine the value of expert testimony related to warnings. Specific objectives of the session include informing HFES members of the views of some members of the legal community ...

    • Human Factors in the Design of Effective Product Warnings 

      Alan L. Dorris; Jerry L. Purswell (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1978-10-01)
      Warning messages for product use are important for the safety of the user and to fulfill the legal duty to warn on the part of the manufacturer. A number of issues related to the design of such warnings have been neglected ...

    • The Influence of Forearm and Wrist Orientation on Static Grip Strength as a Design Criterion for Hand Tools 

      Robert Terrell; Jerry L. Purswell (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1976-07-01)
      The amount of force required to use a hand tool and its relationship to the user's capacity to exert this force is a critical design criterion of hand tools, often affecting the immediate safety of the tool user and the ...

    • Power Window Control Location Stereotypes 

      O'Seong Kweon; Robert E. Schlegel; Jerry L. Purswell (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1992-10-01)
      A paper-and-pencil survey instrument and an operational test were used to assess stereotype strength for automobile power window controls. Control panel layout (square vs. linear) and mounting plane were examined along ...

    • A Prediction Model for Consumer Behavior regarding Product Safety 

      Jerry L. Purswell; Robert E. Schlegel; Sashi K. Kejriwal (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1986-09-01)
      The objective of this study was the development of a model to predict whether a consumer would use a product safely as a function of sixteen different individual variables. Subjects were presented with four consumer products ...

    • Strategies for Improving Visual Inspection Performance 

      Jerry L. Purswell; LaVerne L. Hoag (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1974-10-01)
      This paper summarizes recent results obtained in inspection studies including several studies performed by the authors. Both static and dynamic visual inspection tasks are included. Based on these results, a proposed new ...

    • A Study of Bicycle Design as it Affects Safety of Operation 

      Jerry L. Purswell; Robert Terrell; Jeff Greene; David Lundquist (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1974-10-01)
      This paper presents the results of studies concerned with bicycle design and safety of operation. One study concerned the relationship between handlebar design, i.e., racing, regular and hi-rise, to bicycle control. It was ...

    • A Study of Post-Crash Bus Evacuation Problems 

      Jerry L. Purswell; Alan L. Dorris (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1978-10-01)
      This study was conducted to provide information related to the post-crash evacuation of inter-city buses. A review of bus accident data and relevant literature was completed to provide an understanding of the variables ...

    • Warning Effectiveness: What Do We Need to Know 

      Jerry L. Purswell; Richard F. Krenek; Alan Dorris (Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 1987-09-01)
      The forensic area of practice for human factors engineers has brought into sharp focus the differences of opinion which exist regarding the effectiveness of warnings in bringing about safe behavior on the part of the user ...