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I wanna help but i dont speak your language
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1. The concept that the personalities and interests of the elderly change ??? please tell me if im wrong
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1. heating homes
2. textile factories
3. four-wheeled automobile
The research error described above is an example of selection bias.
Selection bias takes place when, from a population of interest, a group of individuals is selected in order to construct a sample but without a proper randomization. The result is a sample which is not representative of the underlying population.
According to the example, the target population of the research comprises all students but the sample only includes boys. Hence, selection has not been random because it followed a gender criteria, and the results obtained using it cannot be applicable to the whole population because they are affected by a selection bias.
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If everyone has a job or is employed one way or the other it will affect the economy because everyone will be able to fend for themselves and also because the economy will be a developed economy because everyone is employed with good jobs. If everyone is able to have jobs then high crime rate in the country will reduce because the crime rate made by people are from those who are unemployed so if there is employment in the country it will hep the society, the community and the economy in different ways. Thank you for the question