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Related Concept Videos

Stress Concentrations01:13

Stress Concentrations

751
The concept of stress concentration is crucial for understanding how materials respond under bending stresses, particularly when there are irregularities or discontinuities in the material's geometry. Normally, stress in a symmetric member subjected to pure bending is assumed to be uniformly distributed across the entire cross-section. However, this assumption does not hold when there are variations in the cross-sectional geometry or the presence of notches and holes.
The stress...
751
Stress Concentrations01:24

Stress Concentrations

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Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller...
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Stress Prevention and Stress Management Techniques II01:23

Stress Prevention and Stress Management Techniques II

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Personality types, particularly Type A and Type B, significantly influence how individuals respond to stress. These personality distinctions are marked by varying levels of ambition, competitiveness, and coping styles, all of which shape an individual's resilience to stressors.
Type A Personality: Driven and Easily Stressed
Individuals with Type A personalities are often highly competitive and ambitious and operate with a strong sense of urgency. Commonly labeled as...
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Stress01:20

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When a force is applied on a body, it undergoes deformation. In order to restore the body to its original shape and/or size, an opposite or restoring force is generated within the body. This restoring force is equal to the magnitude of the applied force, but acts in the opposite direction. The amount of this restoring force developed per unit area of the body is called stress. Stress is a tensor quantity and has the SI unit pascal. Stress can be separated into four broad categories depending...
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General State of Stress01:21

General State of Stress

768
The general state of stress within a material can be accurately depicted using a stress tensor. This tensor encapsulates the internal forces distributed within a material subjected to external forces or deformations.
Specifically, consider a tetrahedral element where one face, labeled XYZ, is perpendicular to the line OA, and the remaining faces align with the coordinate axes with point O as the origin. At any point, such as point O, the stress tensor can be used to determine the stress...
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Self-Evaluation: Self-Enhancement and Self-Verification03:00

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Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
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Related Experiment Video

Updated: Mar 19, 2026

The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test
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Chief executives: singled out for glory… or stress?

Alison Moore

    Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
    |June 16, 2016
    PubMed
    Summary

    Many healthcare executives are hesitant to pursue the chief executive role, despite its perceived prestige. This reluctance may impact leadership succession planning within healthcare organizations.

    Area of Science:

    • Healthcare Management
    • Organizational Behavior

    Background:

    • The chief executive (CE) position is often viewed as the highest career attainment for executives in healthcare trusts.
    • However, emerging data indicates a significant reluctance among potential candidates to assume this leadership role.

    Purpose of the Study:

    • To explore the reasons behind the reluctance of healthcare executives to step into the chief executive role.
    • To understand the factors influencing leadership succession in healthcare settings.

    Main Methods:

    • Qualitative interviews with current and aspiring healthcare executives.
    • Analysis of career progression data within healthcare trusts.

    Main Results:

    • Several key barriers to accepting the CE role were identified, including work-life balance concerns and perceived job pressures.

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  • A desire for different career paths and a lack of perceived support were also significant factors.

    • Conclusions:

    • The reluctance to become a chief executive poses a challenge for healthcare leadership continuity.
    • Strategies to mitigate these barriers are needed to ensure a robust pipeline of future healthcare leaders.