Unit 10 - Data Analysis

Introduction

The objective of this study is to analyze the academic paper entitled Psychological Characteristics and the Effectiveness of Patient-Controlled Analgesia , by Thomas et al. The purpose of the analysis is to determine if the level of state and trait anxiety, neuroticism, extroversion and coping style are useful at predicting (IV’s) the effectiveness of patient-controlled analgesia (PCA) for patients undergoing total abdominal hysterectomy (DV), by using Multiple Linear Regression Analysis.

Description of Data File

The variables that will be used in the analysis are L evel of state and trait anxiety (which is measured at the interval level), N euroticism (which is measured at the interval level), Extroversion (which is measured at the interval level), and C oping style (which is measured at the interval level). The variables stated before are the independent variables (IV) in the analysis. The dependent variable (DV) is Effectiveness of patient-controlled analgesia (which is measured at the interval level). The size of the sample used is n = 110.

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