Browsing by Subject "Work -- Psychological aspects"
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Item A prediction study of social/psychological models for work inhibition(Texas Tech University, 1973-12) Gottlieb, LeonardNot availableItem An approach to the incorporation of social psychological factors in work design.(Texas Tech University, 1974-08) Badalamente, Richard V.Not availableItem Effect of psychosocial variables on maximum acceptable weight of lift(Texas Tech University, 1986-12) Selan, Joseph LThe objectives of this study were (l) to determine the effects of personality type in conjunction with social facilitation effects on the psychophysically-determined maximum acceptable weight of lift (MAWL), and 2) to establish guidelines for the psychophysical approach which control for the effects of psychosocial factors. To accomplish this, a laboratory study was conducted using 15 male subjects classified as Type A personalities (aggressive, impatient) and 15 Type B subjects (passive, patient). Following a training period, the subjects performed 5 psychophysical lifting tasks consisting of a floor to 30 inch lift using various frequencies of lift. (For the social facilitation manipulation, the subject lifted the box under 3 conditions: alone (box lowered automatically), with a confederate of similar physical ability lowering the box, and with a confederate of superior physical ability lowering the box^ The confederate conditions were introduced under the guise that the lowering apparatus was broken. Results indicated that Type A subjects worked at a higher percentage of their physical work capacity and selected heavier MAWLs than Type B subjects. Type A subjects required significantly less time deciding their MAWL, and made fewer weight adjustments in terms of decreasing box weight, than Type B subjects. Significant social facilitation effects were not obtained, nor was there a significant personality type x social condition interaction.Item Job success as a moderator variable in the prediction of job satisfaction: a test of the theory of work adjustment(Texas Tech University, 1976-05) Magee, Michael CNot availableItem Personality and work performance in a psychiatric population(Texas Tech University, 1970-05) Beeson, John MartinNot availableItem Psychophysical capacity modeling of individual and combined manual materials handling activities(Texas Tech University, 1984-08) Jiang, Bernard Chen-chunMost psychophysical studies in the field of MMH involve only with single MMH activities, i.e., lifting, lowering, carrying, holding, pushing, or pulling. The combination of two or more activities (e.g., lifting a box, then carrying the box; or carrying a box, then lowering the box) has never been examined. These kinds of combined activities are prevalent in industry and our daily life. The objectives of this study were: 1) To develop models for both individual and combined MMH activities, and 2) To determine the relationship between individual and combined MMH activities. Three types of strength tests (isometric, isokinetic, and isoinertial) using four testing machines (static strength testing machine, Mini-Gym, Cybex, and incremental weight lifting machine) were conducted using 12 male subjects. The capacities for four individual MMH activities and three combined MMH activities were tested psychophysically under three frequency conditions: one time maximum, one handling per minute, and six handlings per minute. In all experimental conditions, the psychophysically determined capacities were the maximum acceptable workloads for a one hour work periods. As a result the mean capacities determined in this study were higher than those reported for eight hour work periods. Second order polynomial regression models for individual MMH capacities were developed using isoinertial 6 foot maximum strength or static back strength. Combined MMH capacities models were developed using the following three methods: a limiting individual MMH capacity, isoinertial 6 foot maximum strength, and fuzzy sets theory. The advantages and disadvantages of different models were compared. The isoinertial 6 foot maximum lift strength was selected because it was a simple, economical, easily applied, and representative test. The models developed in this study provide information about the relationship between a person's strength and his capacity for MMH activities, and about the relationship between individual and combined MMH activities.Item Skill dilution and skill level requirements as determinants of crew performance(Texas Tech University, 1971-05) Miller, Duane IvanNot Available.Item The effects of colored lighting, illumination intensity level, and color of workplace on a fixed inspection task(Texas Tech University, 1968-08) Tedder, Robert WNot availableItem The impact of Erikson's industry vs. inferiority stage development upon preadolescents(Texas Tech University, 1986-12) Lovett, Nancy ElizabethThe present study explored the importance of Erikson's fourth stage of development. Industry versus Inferiority, by developing an interview to locate preadolescent males and females within the stage. Through a questionnaire, the degree of completion by the subjects of the first three stages. Trust versus Mistrust, Autonomy versus Shame and Doubt, and Initiative versus Guilt was identified. Another questionnaire assessed the subjects' self-esteem. It was hypothesized that the first three of Erikson's developmental stages, self-esteem, and the fourth stage as shown by the Erikson Psychosocial Stage Inventory and the Industry Status Inverview would be positively and significantly related, Support for all hypotheses was found indicating initial validity of the Industry Status Inverview. It was further posited that the interview can become a useful diagnostic tool in the classroom and clinical setting. Future study should be carried out for additional validation of the interview.Item Work Place Design Approach with Ergonomic Emphasis.(Texas Tech University, 1975-12) Kutter, Robert WilliamNot Available.