HLTB15H3 Lecture 6: Lecture 6 - Part II

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27 Feb 2011

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Perceived health status with age, education, occupation, : multi-variate perceived health as the dependent variable. Problems and limitations: problems - relating to logistical details. E. g. availability of data, securing permission from ethics board, obtaining the sample, etc Limitations - to structural problems relating to methodological aspects of the study. Study design / sampling / measurement procedures used are not the best but adoption was necessary for a number of reasons. Independent variable: hypothesis, operationalisation, variable, dependent variable, theory, conceptual framework, models, diagrammatic models, simulation models, decision analysis models. ratio: parametric statistics, non-parametric statistics, analysis of nominal data. Frequency distributions www. notesolution. com: analysis of ordinal data. kendall"s tau: analysis of interval data. product moment correlation coefficients: reliability reproducibility, consistency, homogeneity, free from random error. Test-retest to examine reproducibility of the responses to the scale. Validity - internal validity, external validity: sensitivity proportion of actual cases who score as positive cases, specificity proportion of non-cases who test negative.

Related Questions

Dependent, independent variables; positive and inverse relationships: Consider the following statements, and indicate which variable is an independent variable and which variable is a dependent variable; moreover, determine whether there is a positive or a negative relationship between two variables. (a) - As research shows, anti-smoking campaigns reduce the number of smokers in the country. Number of anti-smoking campaigns is the _________________ variable; Number of smokers is the _______________ variable. The relationship between anti-smoking campaigns and the number of smokers is __________. (b) - More educated employees typically have higher income than less educated employees. Education is the ________________ variable; Income is the_______________ variable. The relationship between education and income is______________.

Regression analysis is a powerful and commonly used tool in business research. One important step in regression is to determine the dependent and independent variable(s).

In a bivariate regression, which variable is the dependent variable and which one is the independent variable?

What does the intercept of a regression tell? What does the slope of a regression tell?

What are some of the main uses of a regression?

Provide an example of a situation wherein a bivariate regression would be a good choice for analyzing data.

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epidemiology is the study of disease in a population? What is epidemiology? How do epidemiologists measure health. discuss the current trends in these three measures of epidemiology.discuss the following sociological variables are related to death illness and healthcare: discuss the gender education race and the social class discuss how gender is related to one's life span and their chance of illness .what is the difference in mortality rates between men and women in America and why education is important predictor of mortality and illness

HLTB15H3 Lecture 6: Lecture 6 - Part II

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