Chapter 3 is one of the three foundational chapters in the textbook. The chapter focuses on the importance of evidence-based practice as it relates to e-Learning courses. Evidence-Based Practice addresses the importance of doing research on a topic that will be taught to a class. Before a lesson can be prepared the instructor should look at what the research has to say (Clark & Mayer 2011) research should be done to find cases where the particular lesson's subject has been taught. The chapter outlines three approaches to research on instructional effectiveness. The main point of instruction is to be effective and to teach the learner, there are three essential questions that should be asked about the research, what works, when does it work and how does it work. The research will answer at least one of these questions to determine the overall instructional effectiveness with the key focus being on whatever works while presenting evidence that outlines how it works and under what conditions.
Experimental comparisons must include criteria that relates to the lesson that the instructor is preparing. If the comparative research does not apply to the lesson then it has no relevancy and therefore the research is virtually useless according to chapter 3. The research studies that are selected should be close to the lesson that is being prepared and focus on the type of instructional method and learning environment that reflects yours, if you are developing an online course, for example, the research should include e-Learners. The chapter encourages experimental comparisons as the criteria for determining whether or not the research is good. The last point that relates to good experimental comparisons include experimental control, random assignment and appropriate measures (Mayer, 2011a).
In some studies, there is no difference that shows up in the control group and the experimental group. There are several reasons why this could occur. The first reason could be as simple as the treatment does not actually affect the students. Some studies could show no difference if the study size is not big enough. The actual test that was looking for significance might not be adequate to detect a difference. Another reason could be that the treatment was not different enough to actually make a difference in the groups. Also, if the material was easy for the groups being tested, the treatment would not be effective because there would be no need for a treatment. Researchers should be careful about confounding variables. An example of a confounding variable would be if there were two groups and one group was stacked with learners with higher intelligence scores. That would make a difference in the outcome. When comparing two groups, there is a control group which does not receive the treatment and the test group which does receive the treatment. To find the standard deviation of these two groups, look at the test scores and see how they are spread out. The variation of these group scores shows the standard deviation. Two statistical measures that this chapter focuses on are probability and effects size. In looking for treatments that are considered effective, probability should be less than .05 (p<.05) and the effect size should be .5 or greater.
When trying to decide if a research is relevant, look at who the learners are. Do the learners in the research design match the learners in the experiment you are designing or are they transferable? Make sure the study is an experimental study that has a random and control group. If the research has been replicated and results have proven to be the same, that is a good indication that it was a good research design. If the test measures learning recall rather than application then it might not work for workforce learning goals that are application based. Always go to the results section and look to see if there is a significance score (p<.05) and an effect size of .5 or greater. One special type of research article is a meta-analysis. A meta-analysis looks at experiment results on many studies that test the same effectiveness of the same instructional method and record the effect size for each study and compute an average effect size from across all of the studies.
REFLECTION:
It is important that today's educator keeps pace with what is going on within the greater education field outside of their particular school and even their district. One of the ways to keep up with what is happening within a course discipline is to read about different research that is being done. In Chapter 3 the focus is on evidence-based practices and how comparing schools and/or lessons that are similar to what the researcher is teaching can enhance their understanding of trends and when applied to their course can improve the educational process. Reflecting upon what others are doing in the middle school classroom where I teach, really helps me to plan lessons that include many of the key points important to the education of students at my grade level. I often look for research that includes technology in their lessons as this is my area of teaching.
After reading chapter 3 my thoughts about evidence-based practice was enhanced. I am encouraged now more than ever to stay as current as possible with the latest advancements in technology as it related to middle school students. When I started teaching in 1998 there were very few resources or cases that had been researched that included courses about technology or the ways that technology had affected student performance. That has changed tremendously as chapter 3 detailed, over the last 5-6 years there have been a growing number of research bases (for example, Clark, 2010, Clark & Lyons, 2011, Mayer, 2005, 2008, 2009, etc) These research studies provide the learner with a solid base to learn from.
Evidence-based research can certainly help when designing an eLearning courses about the flipped classroom as we are doing for our ISD project. The concept of the flipped classroom is new and finding examples of schools that are using it and reporting on their progress helps in our design process so that we can learn from the challenges that others have faced. By researching the flipped classroom and how other educators have used it to teach various levels of students we will have a good source of evidence to use in planning our final eLearning lesson.
My plans after graduating from Liberty University include applying for teaching positions that will utilize the new knowledge that I have acquired. I do not know for sure whether or not I will switch from the traditional classroom to working in an online environment but the research that I am doing is helping to equip me for such a step. Evidence-based practice gives me an opportunity to peek into other classrooms and will help me to make a more informed decision about which way to go after my graduating from Liberty which also coincides with my daughter's graduation from high school and my son's undergraduate graduation. This will be a transitional period for us all and the education that we will carry with us, particularly my Liberty education will advance my career greatly.
REFERENCE:
Brian, R. B., Krista, D. G., & Jennifer, C. R. (2008). A scaffolding framework to support the construction of evidence-based arguments among middle school students. Educational Technology, Research and Development, 56(4), 401-422. Retrieved from http://search.proquest.com/docview/218028844?accountid=12085