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...First semester general chemistry curriculum comparison of student success on acs examination questions grouped by topic following an atoms or traditional instructional approach cathy d molina b s m dissertation prepared for the degree doctor philosophy university north texas august approved diana mason major professor michael f sayler minor teresa golden committee member william e acree jr and chair department mark wardell dean robert toulouse school graduate studies education pp tables illustrations references titles this study uses term exam to determine if one is more effective in increasing than other based their performance two approaches were evaluated tc af sample population was students at collin college frisco tx independent t test used there differences overall between different versions results from show that may be a better alternative as they performed statistically significantly version factor analysis eight topics chosen listed examinations institute website significant ...