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Dichotomizing independent variables (5-likert scale responses) in Logistic regression on SPSS

10 months ago in Data Analysis , Logistic Regression , SPSS By Roma

logistic regression analysis using SPSS

In logistic regression analysis using SPSS, is it appropriate to dichotomize independent variables with responses on a 5-Likert scale, and what considerations should be taken into account when dichotomizing variables for logistic regression analysis?

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By Jasmin Answered 10 months ago

Dichotomizing independent variables with responses on a 5-Likert scale for logistic regression analysis in SPSS can be done, but it's important to carefully consider the implications of this transformation. Dichotomization may lead to loss of information and statistical power, as well as potential oversimplification of the relationship between the independent variable and the outcome. Researchers should assess the validity and reliability of dichotomized variables, consider alternative modeling approaches (e.g., ordinal logistic regression), and interpret the results cautiously, taking into account the limitations of dichotomization.

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