Job description and person specification essay

Gary Boyles Job Description Job descriptions are one of the most important tools employers can use to articulate the most important outcomes needed from their employees. They are essentially a tool to tell the employee or potential employee where their job leaves off and jobs of other employees begin.

Job description and person specification essay

Origins[ edit ] Problems of vagueness and fuzziness have probably always existed in human experience. Sometimes people have to think, when they are not in the best frame of mind to do it, or, they have to talk about something out there, which just isn't sharply defined.

Across time, however, philosophers and scientists began to reflect about those kinds of problems, in much more systematic ways.

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Sorites paradox[ edit ] The ancient Sorites paradox first raised the logical problem of how we could exactly define the threshold at which a change in quantitative gradation turns into a qualitative or categorical difference.

With many other processes and gradations, however, the point of change is much more difficult to locate, and remains somewhat vague.

Job description and person specification essay

Thus, the boundaries between qualitatively different things may be unsharp: According to the modern idea of the continuum fallacythe fact that a statement is to an extent vague, does not automatically mean that it is invalid.

The problem then becomes one of how we could ascertain the kind of validity that the statement does have. Loki's wager[ edit ] The Nordic myth of Loki's wager suggested that concepts that lack precise meanings or precise boundaries of application cannot be usefully discussed at all.

This idea sounds simple enough, but it had large implications. The intellectual origins of the species of fuzzy concepts as a logical category have been traced back to a diversity of famous and less well-known thinkers, [11] including among many others EubulidesPlatoCiceroGeorg Wilhelm Friedrich Hegel[12] Karl Marx and Friedrich Engels[13] Friedrich NietzscheHugh MacColl[14] Charles S.

This suggests at least that the awareness of the existence of concepts with "fuzzy" characteristics, in one form or another, has a very long history in human thought. Quite a few logicians and philosophers have also tried to analyze the characteristics of fuzzy concepts as a recognized species, sometimes Job description and person specification essay the aid of some kind of many-valued logic or substructural logic.

An early attempt in the post-WW2 era to create a theory of sets where set membership is a matter of degree was made by Abraham Kaplan and Hermann Schott in They intended to apply the idea to empirical research. Kaplan and Schott measured the degree of membership of empirical classes using real numbers between 0 and 1, and they defined corresponding notions of intersection, union, complementation and subset.

Zinov'ev and others [26] Inthe American philosopher William Alston introduced the term "degree vagueness" to describe vagueness in an idea that results from the absence of a definite cut-off point along an implied scale in contrast to "combinatory vagueness" caused by a term that has a number of logically independent conditions of application.

Ackermann and Nicholas Rescher respectively. Zadeh is credited with inventing the specific idea of a "fuzzy concept" in his seminal paper on fuzzy sets, because he gave a formal mathematical presentation of the phenomenon that was widely accepted by scholars. This finding is intuitively quite appealing, because people say "this product is more or less good" or "to a certain degree, he is a good athlete", implying the graded structure of concepts.

In his classic paper, Zadeh called the concepts with a graded structure fuzzy concepts and argued that these concepts are a rule rather than an exception when it comes to how people communicate knowledge. Moreover, he argued that to model such concepts mathematically is important for the tasks of control, decision making, pattern recognition, and the like.

Zadeh proposed the notion of a fuzzy set that gave birth to the field of fuzzy logic The fact that a concept is fuzzy does not prevent its use in logical reasoning; it merely affects the type of reasoning which can be applied see fuzzy logic.

If the concept has gradations of meaningful significance, it is necessary to specify and formalize what those gradations are, if they can make an important difference. Not all fuzzy concepts have the same logical structure, but they can often be formally described or reconstructed using fuzzy logic or other substructural logics.

Truth of a fuzzy proposition is a matter of degree. I recommend to everybody interested in fuzzy logic that they sharply distinguish fuzziness from uncertainty as a degree of belief e.

Compare the last proposition with the proposition "The patient will survive next week". This may well be considered as a crisp proposition which is either absolutely true or absolutely false; but we do not know which is the case.

We may have some probability chance, degree of belief that the sentence is true; but probability is not a degree of truth. InLotfi A. Zadeh introduced a distinction between "Type 1 fuzzy sets" without uncertainty and " Type 2 fuzzy sets " with uncertainty, which has been widely accepted. Philosophy[ edit ] In philosophical logic and linguistics, fuzzy concepts are often regarded as vague concepts which in their application, or formally speaking, are neither completely true nor completely false, or which are partly true and partly false; they are ideas which require further elaboration, specification or qualification to understand their applicability the conditions under which they truly make sense.

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Sciences[ edit ] In mathematics and statisticsa fuzzy variable such as "the temperature", "hot" or "cold" is a value which could lie in a probable range defined by some quantitative limits or parametersand which can be usefully described with imprecise categories such as "high", "medium" or "low" using some kind of scale or conceptual hierarchy.

Fuzzy logic In mathematics and computer sciencethe gradations of applicable meaning of a fuzzy concept are described in terms of quantitative relationships defined by logical operators.

Such an approach is sometimes called "degree-theoretic semantics" by logicians and philosophers, [46] but the more usual term is fuzzy logic or many-valued logic.Job Description Of HR Manager Commerce Essay.

Print Reference this. Ideally, also developed from a detailed job description, the job specification describes the person you want to hire for a particular job. Learn more about the job specification. Published: Mon, 5 Dec Marks and Spencer plc (M&S) founded in by Michael Marks and Thomas Spencer is one of the top UK retailer with stores in .

The job specification for a marketing manager is a short form overview of the job description for a marketing manager. The job specification describes the knowledge, education, experience, skills, and abilities you believe are essential for any candidate who will successfully perform a particular job.

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Job description and person specification essay

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