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The Impact of Music on Traffic Stress Dwight Hennessy Buffalo State College. DRIVER STRESS Stress = interpretation of events (Lazarus, 1966) Negative evaluations = greater stress Adverse effects poor mood sickness (headache, flu, hypertension etc.) depression, anxiety.
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The Impact of Music on Traffic Stress Dwight Hennessy Buffalo State College
DRIVER STRESS • Stress = interpretation of events (Lazarus, 1966) • Negative evaluations = greater stress • Adverse effects • poor mood • sickness (headache, flu, hypertension etc.) • depression, anxiety
DRIVER STRESS • Driving is common “stressful” event • Related to conditions • distance, volume, speed, noise (Hennessy, 1999) • traffic congestion (Hennessy & Wiesenthal, 1999) • Also depends on person • develop “trait” susceptibility (Gulian et al., 1989) • BUT measured “post driving”
MUSIC • Music therapy reduces stress (Stratton, 1985) • Relaxation effects (Stratton & Zalanowski, 1984) • reduces tension, arousal, anxiety • reduced HR, BP, immune responses • Distraction effects (Thomas, 2000) • limited attention resource • attention to music limits attention to stressor
MUSIC • Key is self selected music (Wiesenthal, 2003) • greater perceptions of control • But, most research in medical setting • Little comparison of “degrees” of stressor
PURPOSE • Examine state driver stress as it happens • Compare across levels of stressor PREDICTIONS • Music X Congestion Level • State driver stress will be reduced by listening to music, but predominantly in high congestion
METHOD • Select regular commuters from Buffalo State College students, staff, & employees • Minimum 3 years driving experience • Would measure stress while driving • Modified DBI, with Mood Adjectives • cellular telephones • hands free, speed dial, participant initiated
METHOD • During one trip: • Low Congestion vs. High Congestion • pick prior to trip • counterbalance • ½ morning, ½ evening • Music vs. No Music • randomly assign
METHOD • Measure “STATE” driver stress • once at each target location • hang up between & continue driving
RESULTS • Split Plot Factorial Analysis • congestion = within groups (H vs. L) • music = between groups (Music vs. No) • Eta Square = strength of effect • Chronbach = reliability of stress measures
DISCUSSION • Listening to music will be an effective coping strategy while driving • However, would depend on the condition • high congestion is when it is needed • low congestion = low stress in general • Encourage music in traffic? • More music on radios? • Businesses provide music for employees?
DISCUSSION • Need more conditions • Need more than one measurement • Trait moderators • Non-driving events • How much before impedes driving? • Distraction or relaxation ?
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