Georgia Connections Academy

• ADVANCED MATH 27.0...

• Read the caffeine addiction study located in Unit 2 Lesson 1 on the Connexus Platform. Complete a study analysis by thoroughly answering the following questions. ● You may refer to the lesson for details on the caffeine addiction study as needed. ● A list of vocabulary words from Unit 1 can be found on the last page of this document. 1. What research question was investigated? The question the researchers from Johns Hopkins University were studying is: if there was evidence in some people of a more serious addiction called caffeine dependence syndrome. 2. What design type was used: observational, experimental, or qualitative? Explain your answer. The type of design used in this study is a(an) _____ experimental study_______________ You can see that it is this design type because… It’s an experimental study because the subjects were recruited to study the impact of caffeine. They were experimented with caffeine and placebo. 3. How were subjects selected (or not selected) for the study? What (if any) impact did that process have? The sampling method the researcher used was ______Biased______________ The impact of this method could be… the subjects were selected by volunteering and they were recruited through newspaper ads, who believed they were physically addicted to caffeine. Out of Those 27 volunteers, 16 people were diagnosed. But 11 of those left agreed to participate in the study on caffeine withdrawal. The impact was that the caffeine was reduced or eliminating the caffeine consumption.