The key is the use of statistically derived random sampling procedures. These ensure that survey results can be defended as statistically representative of the population. Surveys that do not follow these procedures can produce results that lead to misguided market research‚ strategic‚ or policy decisions. Any so-called "survey" in which no attempt is made to randomly select respondents‚ such as call-in readers’ or viewers’ "polls"‚ is likely to produce results that in no way reflect overall public
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Statistical Sampling Statistical Sampling 1. The authors of the paper make assumptions about the U.S. population on three dimensions. What are the three dimensions? (Hint: The authors refer to these dimensions as "components of change.") Answer: The three dimensions would be migration‚ fertility‚ and mortality. 2. What is the expected population of the U.S. in 2050 given the new series (i.e.‚ based on 1998 data) based on the lowest series? The middle series? And the highest
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Contract Law- Offer and Acceptance Enforcement of promises Criteria: 1. Offer and corresponding Acceptance 2. Consideration 3. Intention to create legal relationship 4. Certainty I. Formative elements – will theory of K Offer - an expressionof willingness to contract upon certain terms – binding upon acceptance Requisites: (a) Offer will become binding upon acceptance; and [may be prepared to sell] (b) Nothing further remains to be done If no an offer‚ what
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FORMATION OF A CONTRACT OFFER AND ACCEPTANCE For a contract to be valid‚ firstly there must be an AGREEMENT between the parties i.e. one party must make an OFFER which is UNCONDITIONALLY ACCEPTED by the other. OFFER What is an offer ? An offer is a promise that the person making the offer (known as the offeror) is prepared to be legally bound upon specified terms – he is making a statement of the terms on which he is prepared to be legally bound‚ for example A
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An ‘invitation to treat’ refers to a term in contract law. Importantly‚ it is not the same as an ‘offer’ and it is crucial to distinguish between the two concepts. In order for a binding contract to be formed‚ there must be an ‘offer’ and an ‘acceptance’ of that offer. An invitation to treat is sometimes mistaken for an offer. There are many similarities between an invitation to treat and offer‚ so making the distinction can be difficult. If the validity of your contract turns on this distinction
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Sampling Methodologies Population: Population is defined as including all items with the characteristic one wishes to understand. Because there is seldom enough time or money to gather information from everyone or everything in a population‚ the goal is to find a representative sample (or subset) of that population. For example‚ a researcher might study the success rate of a new ’quit smoking’ program on a sample group of 50 patients‚ in order to predict the effects of the program if it were
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is snowball sampling? Snowball sampling uses a small pool of initial informants to nominate‚ through their social networks‚ other participants who meet the eligibility criteria and could potentially contribute to a specific study. The term "snowball sampling" reflects an analogy to a snowball increasing in size as it rolls downhill [9] Snowball Sampling is a method a used to obtain research and knowledge‚ from extended associations‚ through previous acquaintances‚ "Snowball sampling uses recommendations
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When doing a business‚ a contract is usually needed. Since a contract is an agreement‚ therefore‚ for a contract to exist‚ the parties must assent to the transaction. Assent usually takes the form of offer and acceptance. An offer is defined by Treitel as "an expression of willingness to contract on certain terms‚ made with the intention that it shall become binding as soon as it is accepted by the person to whom it is addressed"‚ the "offeree". In addition‚ an offer is a statement of the terms
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In the given question the issue is whether there is a binding contract between Gerard and Reg. A contract can be defined as a voluntary assumption of obligation .In order to establish a contract there must be an offer followed by an acceptance. In order to see whether the parties have come to an agreement the court would look at the intention of the parties. Intention will be looked at objectively .In applying the objective test the courts consider whether the reasonable person in the other parties’
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Sampling Case Studies Case Study 1 on Sampling Sampling Hispanic Adults by Telephone1 Problem: Researchers wanted to determine how aware adult Hispanics in the San Francisco area are of product warning messages and signs concerning cigarettes‚ alcoholic beverages‚ and other consumer products. The researchers needed to contact a sample of them to interview. A Solution: “Respondents were sampled using…random digit dialing. This procedure…avoids the use of directories with their inherent problem
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