The Influence of Knowledge and Attitudes towards consumer decisions and using jewelry agate (2015). The purpose of this study is to know and analyze the influence of Knowledge and Attitudes toward consumer decisions in choosing gems jewelry. Analysis method used in this research is the validity test, reliability test, qualitative descriptive analysis, multiple linear regression analysis, T test, F test, and coefficient of determination analysis.
Based on the results of multiple linear regression analysis has been done data analysis on the influence of Knowledge and Attitudes toward Consumer decisions in choosing jewelry agate. The results of data analysis indicate a positive influence between the background Knowledge and Attitudes toward Consumer decisions in choosing jewelry agate. While through partial hypothesis testing (t test) shows that Knowledge and Attitudes have a significant effect on consumer decisions in choosing jewelry agate.