Forschungsarbeit, 2008
18 Seiten, Note: 1,5
1. REGRESSION ANALYSIS - TECHNIQUE DESCRIPTION
2. USAGE AND LIMITATIONS OF REGRESSION ANALYSIS
3. RESEARCH EXAMPLES
3.1. The Effect of a Quality Management System on Supply Chain Performance: An Empirical Study in Taiwan” (Liu 2009)
3.2 Applying the Theory of Planned Behavior (TPB) to Predict Internet Tax Filing Intentions (Ramayah, Yusliza et. al 2009)
This report provides a comprehensive, non-mathematical overview of regression analysis, detailing its operational stages and practical utility in business decision-making, while critically examining its limitations through the analysis of existing research examples.
Stage 1: Stating the Research Problem
The first stage in multiple regression analysis is to determine the researcher’s objective meaning that a dependent variable must be selected which the researcher wishes to have predicted. Once the researcher knows what he wants to predict, he selects variables that he considers to be influential to the dependent variable, variables that have explanatory intention of why changes in these independent variables influence the dependent or predicting variable.
Based on the researchers theoretical knowledge he can assume which of the independent variables he has selected carries what weight in predicting the dependent variable. Essential to use multiple regression analysis is the selection of metric or quantitative variables and no non metric or qualitative variables unless they are transformed to dummy variables which this report will refer to later on. When selecting the variables, the researcher must be aware of specification errors which are either the inclusion of a non-essential variables or the omission of an essential one which in both cases can lead to a non-model parsimony which further leads to a fraud outcome of the regression analysis. Once the researcher knows what he would like to have predicted and by what means, he has to collect data being the second step of regression analysis.
1. REGRESSION ANALYSIS - TECHNIQUE DESCRIPTION: This chapter outlines the six-stage procedural framework for conducting multiple regression analysis, emphasizing the selection of variables and meeting statistical assumptions.
2. USAGE AND LIMITATIONS OF REGRESSION ANALYSIS: This chapter discusses the practical applications of the technique in business while identifying critical barriers such as measurement errors and multicollinearity.
3. RESEARCH EXAMPLES: This chapter applies the previously defined six-stage methodology to evaluate two specific empirical studies, highlighting strengths and common procedural omissions in academic research.
Regression Analysis, Multivariate Analysis, Independent Variables, Dependent Variable, Statistical Significance, Multicollinearity, Homoscedasticity, Normality, Linearity, Research Methodology, Data Transformation, Specification Error, Generalizability, Dummy Variables, Model Validation.
The paper provides a non-technical, conceptual introduction to regression analysis, specifically tailored for business students and practitioners to understand its mechanics and pitfalls.
The work covers statistical technique descriptions, the identification of regression assumptions, potential limitations, and the critical assessment of real-world research applications.
The objective is to explain the six-stage procedure of regression analysis and to demonstrate how researchers can ensure valid, generalizable results by strictly adhering to these stages.
The document utilizes a systematic literature analysis and a comparative evaluation method, benchmarking selected case studies against a defined six-stage theoretical model.
The main body details the six stages of regression, from stating the research problem to validating results, followed by a critique of two specific studies regarding supply chain management and internet tax filing.
Key terms include Multivariate Analysis, Regression Assumptions, Multicollinearity, Statistical Significance, and Research Methodology.
The paper divides limitations into two categories: those that prevent the use of the technique (preconditions) and those that arise during its application, such as specification or measurement errors.
They serve as practical illustrations to test whether published studies correctly follow the six-stage procedure required for valid statistical outcomes.
The author concludes that valid results cannot be guaranteed in the researched examples because the authors of those papers frequently skipped critical steps, such as testing for statistical assumptions.
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