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A Statistically Significant Determination From Pretest To Posttest In Knowledge Of Electrophoresis Concepts, Parker Megehee Nelson Aug 2016

A Statistically Significant Determination From Pretest To Posttest In Knowledge Of Electrophoresis Concepts, Parker Megehee Nelson

Dissertations

The statistical significance from pretest to posttest of 109 high students constructing an electrophoresis chamber or not was explored. The students tested were from six intact biology classrooms. Three classes were treatment groups and three were control groups. The three biology teachers each taught a control and treatment group classroom. Except for building the electrophoresis chamber, students in both groups received identical instruction and testing. Pre- and posttest data was examined by means of a content valid test constructed by the researcher and biology teachers. In order to examine the statistical significance from pretest to posttest in knowledge of electrophoresis ...


To What Extent Does Professional Development Influence Constructivist Science Teaching In Classrooms?: A Comparative Study Of Education In The United States Of America And Finland, Michelle A. Caton Apr 2014

To What Extent Does Professional Development Influence Constructivist Science Teaching In Classrooms?: A Comparative Study Of Education In The United States Of America And Finland, Michelle A. Caton

Education and Human Development Master's Theses

The goal of this study is to identify the extent to which professional development influences the implementation of constructivist science teaching. An overview of the theory of constructivism leads to an explanation of how the theory is adapted to teaching methodologies in science classrooms. Science education, constructivist teaching practices, and professional development in the United States of America and Finland are compared in order to assess how professional development affects a teacher’s ability to use constructivist teaching methods effectively in science classrooms. Research confirms that professional development can positively impact teacher epistemology when given opportunities to increase science content ...