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Jackson and Eklund created two scales that have been proven to be psychometrically valid and reliable: the flow state scale-2 (which measures flow as a state), and the dispositional flow scale-2 (designed to measure flow as either a general trait or domain-specific trait).
The Life Events and Difficulties Schedule is a psychological measurement of the stressfulness of life events. It was created by psychologists George Brown and Tirril Harris in 1978. [ 1 ] Instead of accumulating the stressfulness of different events, as was done in the Social Readjustment Rating Scale by Thomas Holmes and Richard Rahe, they ...
According to the Life-span model of motivation the personal goals that individuals set are a function of the opportunities and challenges that are present in their social environment. Personal goals are an important determinant to the way individuals direct their development . [ 1 ]
A presentation on information flow in living systems. Living systems are life forms (or, more colloquially known as living things) treated as a system. They are said to be open self-organizing and said to interact with their environment. These systems are maintained by flows of information, energy and matter. Multiple theories of living systems ...
In addition to reducing the number of parameters, non-dimensionalized equation helps to gain a greater insight into the relative size of various terms present in the equation. [ 1 ] [ 2 ] Following appropriate selecting of scales for the non-dimensionalization process, this leads to identification of small terms in the equation.
Indeed, the disease model impedes these natural life processes. The biological mechanisms typically claimed to underlie all forms of addiction ( CREB and ΔFosB ) — while psychosocial factors are considered as only tangential issues leading to lesser or greater use and exposure — were reviewed by Eric J. Nestler in 2013. [ 1 ]
The complexity of systems addressed by microscale models leads to complexity in the models themselves, and the specification of a microscale model can be tens or hundreds of times larger than its corresponding macroscale model. (The simplified example of Figure 2 has 25 times as many lines in its specification as does Figure 1.)
A network of m interconnected queues is known as a Jackson network [11] or Jacksonian network [12] if it meets the following conditions: if the network is open, any external arrivals to node i form a Poisson process ,