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Showing 1 to 20 of 304 for “"ANCOVA"”.
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Monte Carlo simulation with parametric and nonparametric analysis of covariance for nonequivalent control groups
… parametric analysis of covariance and parametric ANCOVAS with a covariate correction are some of the more frequently completed analyses used in nonequivalent control group research, comparative studies with nonparametric counterparts should be completed and results compared with those more …
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Comparison of the Academic Achievement of Primary School Students in Multiage and Traditional Classrooms.
… of instruction in each area were analyzed using ANCOVAs.</p> <p>Statistically significant results (pBRIGANCE 1 Screen(ANCOVA). In 1998, the combined males scored significantly higher than the combined females. In 1999, multiage males had significantly higher means than traditional males. ANCOVA …
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Early Life History of <i>Prognichtys occidentalis</i> and <i>Caranx crysos</i> Associated With <i>Sargassus</i> Habitat in the Northcentral Gulf of Mexico
… was performed, and analysis of covariance (ANCOVA) was used to determine the influence of habitat on growth rates. Stomach content analysis determined the influence of habitat on feeding success by means of ANCOVA. Diets were examined for each species and habitats using Morisita's and …
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Variation of the Administration of the WISC-III Block Design Subtest
… (3.81cm) off of midline. The results of an ANCOVA with prior experience with the subtest scaled scores. However, results of a repeated-measures ANCOVA with experience as covariate indicated that stimulus positioning affected raw scores on items 4, 11, and 12. It is recommended that a …
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A comparison of achievement and attendance of fifth grade African American male and female students attending same-gender classes and coeducational classes in two inner city schools
… percentages. A separate analysis of covariance (ANCOVA) test was performed for achievement grades in math, science, reading, and social studies and standardized test scores. An ANCOVA also was done on attendance. The fourth grade ITBS’s test scores in reading, math, science, and social studies …
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A Comparison of Career Outcomes Among Community College Transfers, Four-Year College Transfers, and Native Freshmen
… college achievement, an analysis of covariance (ANCOVA) design was employed. The covariates were family SES and academic achievement. The dependent variable, career outcome, was determined by a linear composite of the subject's occupational SES index score and current annual income. The ANCOVA …
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The effect of mass on the kinematics of steady state wheelchair propulsion in adults and children with spinal cord injury
… of variance (ANOVA) and analysis of covariance (ANCOVA) with significance set at adjusted p values <0.05. The average mass and age of the pediatric group was much smaller than the adult group (37.4 kg and 11.3 years versus 68.5 kg and 33.5 years). The averaged group wheeling velocities were 2.26 …
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A comparison of student performance in partial immersion and FLES programs
… Skills. Separate analysis of covariance (ANCOVA) tests were performed for reading, language, math, total battery, science, social studies achievement test response variables. An ANCOVA was also done for French listening skills. A socioeconomic status (SES) Index and IQ scores were used aS …
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A CBCT Study of Pharyngeal Airway Changes Due to Fixed Functional Appliances
… as well as the overall volume. Results: The ANCOVA showed a significant decrease in the change of B length in the MARA and Herbst groups compared to the control group (P=.003). An additional ANCOVA taking gender, expansion, skeletal and dental classifications into account showed no …
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The Impact of Teaching Explicit Listening Strategies to Adult Intermediate- and Advanced-Level ESL University Students
… of variance (ANOVA), and analysis of covariance (ANCOVA). A statistically significant difference was found for total scores from Pre- to Post SILL for participants' level of instruction. No differences were revealed for school attended, native language, or proficiency levels. ANCOVA revealed a …
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The Effect of the Vocabulary Spelling City App on Student Performance in Spelling, Vocabulary, and Reading Comprehension in Grades 5-8 at Glenview Adventist Academy
… sample paired t test, an analysis of covariance (ANCOVA), and a repeated measures of covariance.</p> <p>Findings</p> <p>A significant difference between groups was found among the students who experienced the technology intervention when compared to their performance during the previous year when …
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Effect Of Personalized Instruction On The Achievement Of Solving Mathematical Word Problems
… <p> Results from the analysis of covariance (ANCOVA) indicated that there was no significant difference of achievement between group types. ANCOVA results indicated that there was a significant difference in motivation between the experimental and control groups during week 2; however, there …
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The Effectiveness of Afterschool Tutoring Programs on Student Achievement in an Urban School District: A Quantitative Analysis of Selected School Programs
… and correlational methods were used. ANCOVA was used to compare the independent-variable groups’ pre- and post-treatment means on the NWEA reading and mathematics RIT scores.
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Vascular Plant and Vertebrate Species Richness in National Parks of the Eastern United States
… of NPS, I used an analysis of covariance (ANCOVA) which included park area and plant species richness as covariates. I detected significant relationships between plant species richness and amphibian, bird, and mammal species richness. In multiple regressions, plant species richness was …
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Efecto de la suplementación con calcio sobre la disponibilidad de hierro
… en un modelo de análisis de covarianza (ANCOVA), teniendo como factor fijo el tratamiento y la biodisponibilidad basal (inicial) como covariable. Resultados: Ambos grupos presentaron un estado de nutrición de hierro similar. El promedio (EEM) del delta de la biodisponibilidad de hierro …
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Effects of two group approaches on life satisfaction and mood of older females in nursing homes
… sessions, over a four-week period. A univariate ANCOVA with group membership as fixed independent variable was used to compare life satisfaction post scores with pre scores as covariates. Mean scores were compared to determine which group had the highest increase in life satisfaction following …
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The Effect of Music Therapy on Executive Function Skills in Male, Incarcerated Adults in a Correctional Facility
… function skills. An analysis of covariance (ANCOVA) was run to determine the effect of two different treatment interventions on post-intervention executive function scores after controlling for pre-intervention executive function scores. Results indicated no statistically significant …
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A Comparative Analysis of Two Low-Acuity Flow Processes in the Emergency Department
… and two-factor analyses of covariance (ANCOVA). ANCOVA statistics were calculated using "arrival to first provider contact time" and "arrival to departure time" as the dependent variables and RMA process versus FT process as well as ESI levels as the independent variables. There was a …
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A Monte Carlo Study: Robustness of Analysis of Covariance to Violation of Selected Assumptions
… the robustness of the analysis of covariance (ANCOVA) model relative to violations of some of the model's assumptions, and to various experimental conditions. In particular, the effect of violating the following assumptions was examined: (1) homgeneity of within-cell population regression …
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