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Factor Analytic Study of Spatial Abilities in Second-Grade, English-Speaking Navajo and Non-Navajo ChildrenSullivan-Sakaeda, Laurie 01 May 1994 (has links)
This study was conducted to continue the investigation of apparent differences in cognitive ii abilities between Navajo Indian children and non-Navajo children. Subjects were 248 second-grade students, ranging from 7 to 9 years old. The Navajo sample lived in the Shiprock, New Mexico, area of the Navajo Indian Reservation, and the non-Navajo sample lived on the east side of Salt Lake City, Utah. Data were collected using six tests designed to measure spatial abilities in primary grade children. Results indicated that the non-Navajo children scored significantly higher on two individual tests and on the total test score under timed conditions, with no differences between groups when timing was not a factor. Two factors were identified for both groups. Factor loadings were different between the groups. As the scoring moved from timed to extended time, it changed for the nonNavajo children but remained the same for the Navajo group. Discriminate function analysis indicated a moderate ability to predict group membership using these tests. Gender differences were noted as well, with females scoring significantly lower than males on timed but not on extended time. Some race/gender interactions also were recorded. Suggestions were made that differences may be related to varying strategies used by not only different racial groups but by both genders as well. The within-group variability indicated a need for investigation of individual differences as well as group differences. Suggestions included using a greater number of instruments, an exploration of strategies, and using a examiner familiar to the students.
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FACTORS WHICH AFFECT TRADITIONALISM OF NAVAJO HIGH SCHOOL STUDENTS.Dingle, Steven Franklin. January 1984 (has links)
No description available.
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Spirometry Reference Values for Navajo Children Ages 6-14 YearsArnall, David A., Kanuho, Verdell, Interpreter, Christina, Nelson, Arnold G., Coast, J. Richard, Eisenmann, Joey C., Enright, Paul L. 01 May 2009 (has links)
Spirometry is the most important tool in diagnosing pulmonary disease and is the most frequently performed pulmonary function test. Since respiratory disease is the single greatest cause for morbidity and mortality on the Navajo Nation, the purpose of this study was to create newage and race-specific pulmonary nomograms for Navajo children. Five hundred fifty-eight healthy children, ages 6-14 years, attending Navajo Nation elementary schools in Arizona, were asked to perform spirometry to develop population-specific and tribe-specific nomograms for forced vitalcapacity (FVC), forced expiratory volume in 1 sec (FEV1), and FEV1 Ratio (FEV1/FVC). Spirometry tests from 284 girls and 274 boys met American Thoracic Society quality control standards. Lung function values, except for FEV1/FVC, all increased with height. The lower limit of the normal range for FEV1/FVC was 80%. The spirometry reference equations from the healthyboys and girls were developed. Height and the natural log of height were significant predictors of FEV1, FVC, and FEF25-75% in the gender-specific models. The resulting population-specific spirometry reference equations should be used when testing Navajo children ages 6-14 years. However, the use of the NHANES III spirometry reference equations for Caucasian children may not result in significant misclassification in clinical settings providing that a maximal effort is given by the Navajo child being tested.
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Maximal Respiratory Pressure Reference Values for Navajo Children Ages 6-14Arnall, David A., Nelson, Arnold G., Owens, Beatrice, Iranzo, Maria Dels Àngels CebriàI., Sokell, Geri Ann, Kanuho, Verdell, Interpreter, Christina, Coast, J. Richard 01 August 2013 (has links)
Background Since anthropometric variables are critical to the creation of pulmonary nomograms for FVC, FEV1, and other volumes and capacities, it is logical that anthropometric variables also influence the values of the maximal respiratory pressures (MRPs). Since nomograms are race-specific, it is important that tribe-specific tables of normal maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) be developed. To date normal tables for MRPs do not exist for Navajo children. Objective Therefore the purpose of this study was to derive MRP normative reference values for Navajo children in the age range of 6-14 years. Methods - Participants and Measurements A cross-sectional study was undertaken with a representative sample of 534 healthy children, ages 6-14 years, attending Navajo Nation elementary schools in Arizona. MIP and MEP were measured. Results Test results from 275 girls and 259 boys met American Thoracic Society quality control standards and showed that MRPs all increased with height. Mean MIP in cm H2O was 77 for boys and 67 for girls with lower limits of 44 and 40, respectively. Mean MEP in cm H2O was 75 for boys and 66 for girls with the lower limits of 42 and 38, respectively. Conclusion Since the data were collected from the population of interest, the resulting MIP and MEP reference equations should be used when testing Navajo children ages 6-14 years.
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Maximal Respiratory Pressure Reference Values for Navajo Children Ages 6-14Arnall, David A., Nelson, Arnold G., Owens, Beatrice, Iranzo, Maria Dels Àngels CebriàI., Sokell, Geri Ann, Kanuho, Verdell, Interpreter, Christina, Coast, J. Richard 01 August 2013 (has links)
Background Since anthropometric variables are critical to the creation of pulmonary nomograms for FVC, FEV1, and other volumes and capacities, it is logical that anthropometric variables also influence the values of the maximal respiratory pressures (MRPs). Since nomograms are race-specific, it is important that tribe-specific tables of normal maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) be developed. To date normal tables for MRPs do not exist for Navajo children. Objective Therefore the purpose of this study was to derive MRP normative reference values for Navajo children in the age range of 6-14 years. Methods - Participants and Measurements A cross-sectional study was undertaken with a representative sample of 534 healthy children, ages 6-14 years, attending Navajo Nation elementary schools in Arizona. MIP and MEP were measured. Results Test results from 275 girls and 259 boys met American Thoracic Society quality control standards and showed that MRPs all increased with height. Mean MIP in cm H2O was 77 for boys and 67 for girls with lower limits of 44 and 40, respectively. Mean MEP in cm H2O was 75 for boys and 66 for girls with the lower limits of 42 and 38, respectively. Conclusion Since the data were collected from the population of interest, the resulting MIP and MEP reference equations should be used when testing Navajo children ages 6-14 years.
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