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Kristen M. Haggis

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Publications by Kristen M. Haggis (bibliography)

1994

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Herbert, Leslie Beth, Paley, Michael J., Haggis, Kristen M. and Tepas, Donald I. (1994): A Measure of Subjective Perceptions of Stress: A Validation and Reliability Study. In: Proceedings of the Human Factors and Ergonomics Society 38th Annual Meeting 1994. p. 974.

“Previous research suggests that the subjective perception of stress varies with one's experience and the proximity of the stressful event. Current researchers found an interaction between ratings of tension and experience for firefighters responding to emergency calls. These researchers employed a measure of perceived tension in both a primary study of 21 firefighters and a follow-up study of 17 of these men. The firefighters responded to the question, "How tense did you feel during the following situations on your last call?" For each of the five proximities of an emergency call, waiting for a call at the station, on the way to the call, at the call location, on the way back from the call, and back at the station after the call; firefighters responded on a four point Likert-type scale, ranging from "Not at all" to "Extremely." In addition to the question being presented on daily work logs, the question was included on the background survey, asking how one "usually feels" at each of the call proximities. This question was also employed on a background survey and daily log forms used in a primary study and a follow up study of eight male marine search and rescue crew members. Using the same question format, the crew members were also asked to rate their perceived physical tiredness. This study examined the psychometric characteristics of the data gathered from both worker groups, and the appropriateness of using the measure on a one time background survey as an accurate representation of actual subjective perception of tension. Correlations between the two separate administrations of the background survey for the measure of perceived tension were statistically significant (p < .05). Test-retest reliability of the rating of perceived tension for both the firefighters, = 967, and the crew members, r = .943, was obtained. Concurrent validity (p < .05) was found between the ratings on the background survey and on the daily work logs for both the firefighters, .987, and the crew members, r = .914. Examining the crew members' responses to the measures of perceived tension and physical tiredness, divergent validity was found for the ratings on both the background survey and the daily work logs. The results found by this study demonstrate that the one-time general background survey estimate of perceived stress used in these two studies is valid, easy to administer, and an accurate measure of daily workday log stress estimates.”

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