Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 143 for “"Paired T-tests"”.
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The effects of a child development nursery laboratory classroom on adolescent self-esteem
… five months later. Results were analyzed using paired t-tests. Gains in self-esteem were too slight to be significant. The findings are discussed in terms of their implications for future studies.
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Efficacy of a Nutrition Education Program Designed for Grades K-3 Piloted in Johnson County Schools.
… was measured by pretest and posttest scores. The tests were analyzed by paired t-tests. While all students showed an increase in mean score, kindergarten and first grade students did not show a significant increase in posttest scores. However, second and third grade students showed a significant …
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Computer -Assisted Music Instruction as Supplemental Sight -Singing Instruction in the High School Choir
Pretests and posttests were scored by three judges, all veteran choral music educators. Members of the CTG demonstrated a mean gain of 11.52 points from pretest to posttest while members of the TTG recorded a mean gain of 1.65 points. Paired t-tests revealed a significant difference between pretest …
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Urban Rainfall Interception of Evergreen and Deciduous Trees for the Southeastern United States
… during 235 total rains for the first hypothesis. Paired T-tests revealed that mean throughfall for evergreens was significantly less (greater interception) (P<0.001) than for deciduous trees. Full factorial analysis including rain depth, windspeed, and leafless period, indicated that all factors …
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School Facility Conditions and Student Achievement, Attendance, and Behavior in an Urban Elementary School in Southeastern Virginia
… test scores using Virginia Standards of Learning Tests. The researcher used focus groups with students, parents, and teachers to qualitatively document the relationship between facility condition and behavior of urban students who transitioned from an eighty year-old facility to a new facility in …
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Efficacy of Cardiac Education on Dietary Habits of Subjects Participating in Cardiac Rehabilitation.
… on nutrition, and cooking demonstrations. The tests were compared to measure changes in diet and were analyzed for both surveys. Paired t-tests were used for analysis along with frequency, percentage and group statistics. The majority of the respondents demonstrated a statistically significant …
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Levels of Hope, Fatigue, Dyspnea, Functional Status, and Social Networking Before and After a Structured Exercise Program for Patients with Chronic Obstructive Pulmonary Disease
… day of the pulmonary rehabilitation program.<br> Paired t-tests demonstrated a significant increase in the level of hope and a significant decrease in the level of fatigue before and after participation in a structured exercise program. Paired t-tests failed to demonstrate a significant difference …
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The Effects of Cryotherapy on Quadriceps Corticospinal Excitability in Patients withPatellofemoral Pain
… three dependent variable percent change scores. Paired t-tests were conducted in the occurrence of a significant interaction. Cohen’s d effect sizes with 95% confidence intervals were calculated for pre to posttest change scores for the cryotherapy and control conditions. Results: No significant …
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Integrating Geospatial Technology and Ecological Research in the Analysis of Sustainable Recreation Infrastructure
… and groundcover from 1982 to 2014 were measured. Paired t-tests analyzed significant ecological differences on campsites and paired controls over time. Best management practices for managing campsites for the long-term are suggested. The second article analyzes the extent of non-native plants on …
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Skills and challenges in child care: perceptions of flow among teachers
… a sense of well-being score for each activity. Paired t-tests indicated that respondents, as a group, perceived their skills as exceeding the challenges on all ten of the activities (p<.0001). A series of 2-way ANOVAS with four levels of child development education and three levels of experience …
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Efficacy of Different Educational Methods for a High School Prenatal Substance Use Prevention and Nutrition Program.
… in the program and took identical pre- and posttests. The tests were compared to measure knowledge gain and were analyzed by paired t-tests. All respondents demonstrated a statistically significant increase in knowledge. The group receiving instruction from the registered dietitian and the group …
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The Effects of Online Discussions on Student Preparedness and Quiz Scores
… and quiz scores. Surveys, journal prompts, and paired t-tests, were used to determine student preparedness, frequency of participation in face-to-face classroom discussions, and a comparison of chapter quiz scores of two student groups in an 11th grade history class. For each chapter studied, …
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The test-retest reliability of the Western Aphasia Battery-Revised
… were .80 for 11/13 WAB-R sections/subtests. Paired t-tests revealed no significant difference between the means at Time 1 and Time 2 for any of the 13 WAB-R sections/subtests. Effect size was less than small for 11/13 WAB-R sections/subtests and small for two subtests. For 8/13 …
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Patient adherence to smartphone weight loss applications: A dietitian perception study
… completed by 2,532 weight management dietitians. Paired t-tests were used to determine dietitians’ perceptions on patient/client adherence and weight loss using smartphone apps with dietitian intervention compared to without dietitian intervention (p<.05).</p> <p>Results/Conclusion: Eighty-three …
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Changes in BMI Among First Semester College Students
… reveal significant predictors of weight gain. Paired t-tests revealed significant decreases in disinhibition, binge eating, and number of days of physical activity over the semester. Participants who gained weight had greater body image dissatisfaction than those who did not gain weight. These …
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The effect of music on anxiety in patients undergoing arthroscopic knee surgery
… no significant difference between the groups. Paired t-tests on pre- and post-treatment physiological measures showed no significant difference between the experimental and the control groups. Qualitative analysis revealed that the music group felt that the intervention helped them to feel more …
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The effect of mobilisation on pressure pain thresholds in the lumbar spine
… group and a decrease in the sham group. Paired t-tests indicated that there was no significant change following mobilisation and the effect size was small. When the different scores of the 2 groups were analyzed with an independent t-test, a significant difference between groups was …
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Different methods of measuring the problems experienced by significant others of substance abusers
… health, legal, and physical violence problems. Paired t-tests were conducted between both administrations on each of the seven subscales of the SOC (Kirby et al., 2005). Currently, results indicate no significant difference between the oral and written administration of the SOC although, these …
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Comparison of RPE between ATM and SWW at 50%, 60%, and 70% HRR
… for normality and for comparison using three paired t-tests. The two aquatic walking modes suggested that at 50%, 60%, and 70% HRR there was no significant difference. Results of this study suggest that RPE can be used to set intensity and workload interchangeably between ATM and SWW when …
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Comparing the efficacy of botulinum toxin and CGRP antagonists for chronic migraine prophylaxis
… among the groups, then further analyzed with paired T-tests to determine if one treatment is superior to the other. These results could be used for further research into migraine treatments, as well as to help determine which treatment to trial first in patients with migraines refractory to …
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