By Jack R. Fraenkel (J.R. Fraenkel) / Norman E. Wallen (N.E. Wallen)
Minimum underlining, like new situation
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Extra info for How to Design and Evaluate Research in Education 7th Edition
Student learning in each group could be assessed by an objective test or some other measuring device. If the average scores on the test (usually called the dependent variable) differed, they would give some idea of the effectiveness of the various methods. 2 on page 12. qxd 1/17/08 4:23 PM Page 8 MORE ABOUT RESEARCH Chaos Theory he origins of what is now known as chaos theory are usually traced to the 1970s. Since then, it has come to occupy a prominent place in mathematics and the natural sciences and, to a lesser extent, in the social sciences.
Students are less attentive during lectures than during discussions”) right at the beginning of a study. In other cases, hypotheses emerge as a study progresses, sometimes even when the information that has been collected is being analyzed and interpreted. ” We want to stress two crucial features of scientific research: freedom of thought and public procedures. At every step, it is crucial that the researcher be as open as humanly possible to alternative ways of focusing and clarifying the problem, collecting and analyzing information, and interpreting results.
Responses are then tabulated and reported, usually in the form of frequencies or percentages of those who answer in a particular way to each of the questions. com/fraenkel7e a sufficient number of the questionnaires completed and returned to enable making meaningful analyses. The big advantage of survey research is that it has the potential to provide us with a lot of information obtained from quite a large sample of individuals. If more details about particular survey questions are desired, the principal (or someone else) can conduct personal interviews with faculty.