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The gender gap of women in science is an important and unresolved issue in higher education and occupational opportunities. The present study was motivated by the fact that there are typically fewer females than males advancing in science, and therefore fewer female science instructor role models. This observation inspired the

The gender gap of women in science is an important and unresolved issue in higher education and occupational opportunities. The present study was motivated by the fact that there are typically fewer females than males advancing in science, and therefore fewer female science instructor role models. This observation inspired the questions: Are female college students influenced in a positive way by female science teaching assistants (TAs), and if so how can their influence be measured? The study tested the hypothesis that female TAs act as role models for female students and thereby encourage interest and increase overall performance. To test this "role model" hypothesis, the reasoning ability and self-efficacy of a sample of 724 introductory college biology students were assessed at the beginning and end of the Spring 2010 semester. Achievement was measured by exams and course work. Performance of four randomly formed groups was compared: 1) female students with female TAs, 2) male students with female TAs, 3) female students with male TAs, and 4) male students with male TAs. Based on the role model hypothesis, female students with female TAs were predicted to perform better than female students with male TAs. However, group comparisons revealed similar performances across all four groups in achievement, reasoning ability and self-efficacy. The slight differences found between the four groups in student exam and coursework scores were not statistically significant. Therefore, the results did not support the role model hypothesis. Given that both lecture professors in the present study were males, and given that professors typically have more teaching experience, finer skills and knowledge of subject matter than do TAs, a future study that includes both female science professors and female TAs, may be more likely to find support for the hypothesis.
ContributorsEbert, Darilyn (Author) / Lawson, Anton (Thesis advisor) / Maienschein, Jane (Committee member) / Mustard, Julie (Committee member) / Arizona State University (Publisher)
Created2010
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This study investigated the relationship between school start times and academic and school behavioral outcomes among adolescents. Academic achievement test data from five high schools in a Southwestern school district were compared prior- and post- a school start time change. Behavioral discipline reports were also examined to determine if earlier

This study investigated the relationship between school start times and academic and school behavioral outcomes among adolescents. Academic achievement test data from five high schools in a Southwestern school district were compared prior- and post- a school start time change. Behavioral discipline reports were also examined to determine if earlier start times resulted in more behavioral problems for students. Results indicated minimal changes in academic achievement scores, with some significant differences between school start times when examining students' performance by pass/fail categories. Behaviorally, there were statistically significant differences between school start times with regards to high frequency referrals (i.e., attendance-related and defiance and disrespect towards authority), and total Office Discipline Referrals. Results are discussed in relationship to previous research on sleep and school start times along with the implications for adolescent school performance.
ContributorsBrown, Ashley (Author) / Caterino, Linda C (Thesis advisor) / Balles, John (Committee member) / Stamm, Jill (Committee member) / Arizona State University (Publisher)
Created2014
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The purpose of this action research study was to explore the relationship between growth mindset instruction in a community college success class with student academic effort and achievement, among students enrolled in a developmental reading class. Community college students, especially those testing into developmental classes, face numerous obstacles to achieving

The purpose of this action research study was to explore the relationship between growth mindset instruction in a community college success class with student academic effort and achievement, among students enrolled in a developmental reading class. Community college students, especially those testing into developmental classes, face numerous obstacles to achieving their goal of completing a college degree. Research supports that students with a growth mindset - a psychological concept grounded in the belief of the malleability of traits such as intelligence - embrace challenges, exert more academic effort, and achieve more. Fourteen students enrolled in a community college participated in this convergent parallel mixed methods study. A mindset survey was administered three times, at the beginning and end of the semester as well as at Week 3 after initial introduction to growth mindset. Descriptive statistics indicated a slight increase in students’ growth mindset scores by the end of the term. An analysis of variance, however, yielded no statistically significant relationship. Correlational analysis of final mindset scores with effort variables indicated an unexpected result – a negative correlation (p<.05) of growth mindset with time in Canvas (the Learning Management System). An ANOVA using a median split for high vs. low mindset scores indicated an unexpectedly significant (p<.05) positive relationship between missing assignments and a high mindset score. Statistical analysis of mindset with achievement yielded no significant relationship. Qualitative results included data from three journal assignments and semi-structured interviews and suggest that these students could comprehend and support most of the tenets of Growth Mindset Theory. While quantitative results were not significant in the expected direction, triangulation with qualitative data indicated that students’ goal orientation may be a factor in the unexpected quantitative results. This study adds to the growing literature on Growth Mindset Theory by extending it to a new and different population, first year community college students, with reading challenges. Further study is needed to clarify the relationships of growth mindset, malleability of intelligence, and goal orientation with academic effort and achievement over a longer period.
ContributorsBrysacz, Lynn M (Author) / Caterino, Linda C (Thesis advisor) / Jordan, Michelle E (Committee member) / Auten, Marianne A (Committee member) / Arizona State University (Publisher)
Created2017