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Psychological resilience, or mental resilience, is the ability to cope mentally and emotionally with a crisis, or to return to pre-crisis status quickly. [1]The term was popularized in the 1970s and 1980s by psychologist Emmy Werner as she conducted a forty-year-long study of a cohort of Hawaiian children who came from low socioeconomic status backgrounds.
Bezdjian and colleagues (2017) used the CD-RISC to examine the relationship between resilience and 6-month unsuitability attrition (i.e., separation from the military due to difficulties with mental health or behavioral adjustments) and between resilience and mental health diagnosis at 6 months after the start of basic training. [5]
The most notable difference between SOC and hardiness is the challenge facet, with the former highlighting stability whereas the latter emphasizes change. Hardiness and the remaining constructs of locus of control, dispositional optimism, and self-efficacy all emphasize goal-directed behaviour in some form.
Mental toughness is a measure of individual psychological resilience and confidence that may predict success in sport, education, and in the workplace. [1] The concept emerged in the context of sports training and sports psychology, as one of a set of attributes that allow a person to become a better athlete and able to cope with difficult training and difficult competitive situations and ...
Modulus of resilience (U r) is measured in a unit of joule per cubic meter (J·m −3) in the SI system, i.e. elastical deformation energy per surface of test specimen (merely for gauge-length part). Like the unit of tensile toughness ( U T ), the unit of resilience can be easily calculated by using area underneath the stress–strain ( σ ...
When a test fails to meet the thickness and other test requirements that are in place to ensure plane strain conditions, the fracture toughness value produced is given the designation . Fracture toughness is a quantitative way of expressing a material's resistance to crack propagation and standard values for a given material are generally ...
In materials science, the Charpy impact test, also known as the Charpy V-notch test, is a standardized high strain rate test which determines the amount of energy absorbed by a material during fracture. Absorbed energy is a measure of the material's notch toughness. It is widely used in industry, since it is easy to prepare and conduct and ...
Toughness is related to the area under the stress–strain curve.In order to be tough, a material must be both strong and ductile. For example, brittle materials (like ceramics) that are strong but with limited ductility are not tough; conversely, very ductile materials with low strengths are also not tough.