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 149 for “"paired t-test"”.
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Effects of Hands-On Experiences on Student Achievement, Interest, and Attitude in Chemistry
… school year. Historical data from five-unit tests were used to assess differences in mean achievement scores between test items aligned with hands-on laboratory experiences and test items aligned with computer-simulated experiences. An independent t-test and a paired t-test were used to …
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Multidimensional Pain Inventory: Revised Profile Classification Based on Clinical Observations in a Pain Setting
… if the hypotheses were supported or not, paired t-test were completed on six different psychosocial and functional outcome measures. Analyses were also conducted to check for differences among the nine different groups. As postulated, a number of significant relationships were identified. …
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The effect of instructional coaching on teachers' sense of self-efficacy
… Quantitative data were analyzed using a paired t-test and ANOVAs. Qualitative data was analyzed using an inductive approach. Quantitative analysis demonstrated teachers’ sense of self-efficacy overall was not significantly influenced coaching. Qualitative analysis did show that particular …
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Dental implant maintenance: measuring confidence and collaboration
… the second post-course survey. Results from the paired t-test for confidence levels indicate statistical significance in the pre- and first postcourse surveys (p = 0.0041), and in the pre- and second post-course surveys (p = 0.034). Results from the paired t-test regarding collaboration levels in …
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The Measurement of Maximal Bite Force in Human Beings
… transducer with EVA sheets, 354 ± 67 N (Paired t test, P < 0.05). Significantly higher EMGs of the masseter and anterior temporalis muscles were found to be associated with MVBFs on the pressure transducer than with MVBFs on the strain-gauge transducer with EVA sheets (Paired t test, P < …
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The Corbett Pain Scale: A Multidimensional Pain Scale for Adult Intensive Care Patients
… criterion validity, construct validity, test re-test reliability and internal consistency. Thirteen male and seven female patients (n=20) were enrolled and underwent a maximum of five pain assessments each. The mean total scores of the CPS (.740, SD+1.03) and the NRS (.000, SD+1.00) were …
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Anthropometric and physical fitness characteristics of badminton players in Icelandic youth national teams
… in between measurements, where players were tested in height, weight, body mass index, arm span, shoulder flexion, grip strength, countermovement jump, medicine ball throw, 505 agility test, badminton specific agility test and the YoYo intermittent recovery test level 1. Descriptive …
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Electronic problem based learning (ePBL) sebagai medium bagi memudahcarakan pembelajaran pemindahan ilmu dalam kalangan pelajar UTHM
… diskriptif dan analisis statistik inferens (paired t-test). Dapatan analisis diskriptif menunjukkan bahawa tahap ilmu pelajar dalam pembelajaran pemindahan ilmu adalah rendah, manakala tahap pendedahan kepada pembelajaran ePBL adalah tinggi dan tahap pembelajaran pemindahan ilmu dengan medium …
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심폐소생술 교육 전•후의 시행의지 및 가슴압박의 정확도의 변화
… 얻었으며 설문지의 구성은 총 25문항으로 구성하였고 실수, 백분율, chi-square test, 독립표본 t-test, paired t – test, 선형회귀분석, 로지스틱 회귀분석으로 하였다. 가슴압박의 정확도 변화를 측정하기 위해 실습용 평가 마네킹( Resusci Anne Skill Reporter™)을 이용하여 객관적인 정보를 조사하였다. 결 과 : 본 연구에서는 심폐소생술의 교육 전보다 교육 후에 심정지 환자의 시행의지와 심폐소생술 술기에 대한 자신감이 높아지는 결과가 나왔으며 통계적으로 유의한 차이를 확인할 수 …
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USING CRITICAL THEORY APPROACHES TO IMPROVE REFLECTIVE WRITING, SOCIAL CONSCIOUSNESS, AND SOCIAL ENGAGEMENT OF 10TH GRADE FEMALE STUDENTS IN SAUDI ARABIA: A MIXED METHODS STUDY
… learning theory. A curriculum was written and tested to assess its effects on student’ reflective writing, social consciousness, and social engagement. A mixed method methodology was used to collect and analyze quantitative and qualitative data. In particular, an embedded mixed-method design …
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The effects of rhodamine WT and chlorine on the recovery of fecal coliforms
… techniques. Statistical analyses of data by the paired-t test showed that for non-chlorinated samples no significant difference (0.10 level) was found between the recoveries by the three enumeration techniques. For chlorinated samples the standard membrane filter technique (Std-MF) yielded …
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Ammonia Emissions from Dairy Manure Storage Tanks Affected by Diets and Manure Removal Practices
… 38.1 to 18.4 ± 21.9 mg m⁻²h⁻¹; P<0.0001 based on paired t-test). Flushing manure reduced emission rates by 72% compared to scraping manure (from 35.6 ± 39.6 to 10.1 ± 8.2 mg m⁻²h⁻¹; P<0.0001 based on paired t-test). Ammonia emission rates for NS, NF, LS and LF were 43.9 ± 48.0, 10.9 ± 8.7, 27.4 ± …
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Assessment of Reflective Teaching Practice in Undergraduate Nursing Faculty
… as recorded on the Demographic Data Sheet. A paired t-test was conducted to calculate the difference in level of engagement pre- and post-SRTS; and a one-way ANOVA was conducted to determine the relationship between engagement of self-reflection score pre-SRTS, post- SRTS, and years of …
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Impact of Texas Counselors' Network on students: A preliminary study.
… for four regional TCN groups. The study used a paired t-test to compare the performance of students before versus after counselor participation in network workshops. The findings indicated that overall, counselor participation in TCN could have a significant effect on student performance. In …
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Pattern recognition of brain fMRI images for various physiological states
… using statistical techniques like correlation, paired t-test and ANOVA. The accuracies for binary classification were between 90% and 100% while the average accuracy for multi-categorical data was 70%.
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fMRI detection with spatial regularization
… detectors. Among those voxel-by-voxel detectors, paired T-test and General Linear Model (GLM) are the most popular. The Mutual Information (MI) based detector has recently been introduced. It is interesting to compare these three detectors' modeling assumptions, as well as their performance, in …
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A study of a modified membrane filter technique for the enumeration of stressed fecal coliforms in urban runoff
… Statistical analyses of data by the paired-t test showed that the standard membrane filter technique (MF) yielded significantly lower recoveries (0. 05 level) than the standard MPN procedure. A modified membrane filter technique employing a two-layer agar and a two hour 35°C …
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The utilization of adventure-based programs in Christian education
… adventure program (Liberty Expeditions) were tested to investigate the effectiveness of this type of program in causing spiritual change. Specific areas of spirituality measured in this study were identified in six study hypotheses. These areas were: sense of self-worth and purpose within …
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A comparison of low density Lipoprotein cholesterol concentration estimation by the Roche diagnostics direct measurement and the Friedewald methods: comparison with other lipidic cardiovascular risk estimation biomarkers in adult patients' sera in Windhoek, Namibia
… not result in change in CV risk category. The paired t test calculations showed that the means of the cLDLC method and the dLDLC method were significantly different at p < 0.01. Upon using non-HDLC in place of cLDLC, 39 out of 121 (32%) serum samples had their CV risk categories changed. This …
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An investigation of teachers' emotional intelligence and the relationship between the behaviors of African American males in high poverty schools
… the relationship between teachers’ pre- and posttest emotional intelligence appraisals after completing comprehensive professional development training. Six hours of professional development on practicing emotional intelligence in the classroom was provided as an intervention following the …
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