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Articles 331 - 353 of 353
Full-Text Articles in Education
Test 1973: John Deere 8345 Rt Ivt, Nebraska Tractor Test Lab
Test 1973: John Deere 8345 Rt Ivt, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1972: John Deere 8345r, Nebraska Tractor Test Lab
Test 1972: John Deere 8345r, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1971: John Deere 8320rt, Nebraska Tractor Test Lab
Test 1971: John Deere 8320rt, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1970: John Deere 8295rt, Nebraska Tractor Test Lab
Test 1970: John Deere 8295rt, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1969: John Deere 8295r, Nebraska Tractor Test Lab
Test 1969: John Deere 8295r, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1968: John Deere 8270r, Nebraska Tractor Test Lab
Test 1968: John Deere 8270r, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1967: John Deere 8245r, Nebraska Tractor Test Lab
Test 1967: John Deere 8245r, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Participation In Positive Youth Development Programs And 4-H: Assessing The Impact On Self-Image In Young People, Karen Bloomquist
Participation In Positive Youth Development Programs And 4-H: Assessing The Impact On Self-Image In Young People, Karen Bloomquist
Department of Agricultural Leadership, Education and Communication: Dissertations, Theses, and Student Scholarship
The purpose of this study was to identify relationships between youth involvement in 4-H and self-image. The study also explored whether there were relations between self-image and development of the 5 C’s (confidence, competence, caring, connection and character) of Positive Youth Development. The study focused specifically on the differences in self-image between youth who participate in 4-H and youth who do not.
Participants included 180 youth from grades eight through twelve in the state of Nebraska. Demographic responses indicated that 47% of respondents were male and 53% were female. Approximately 72% of the respondents were not participants in a 4-H …
Kinematics Of Disease Progression In Bulbar Als, Yana Yunusova, Jordan R. Green, Mary J. Lindstrom, Laura J. Ball, Gary L. Pattee, Lorne Zinman
Kinematics Of Disease Progression In Bulbar Als, Yana Yunusova, Jordan R. Green, Mary J. Lindstrom, Laura J. Ball, Gary L. Pattee, Lorne Zinman
Department of Special Education and Communication Disorders: Faculty Publications
The goal of this study was to investigate the deterioration of lip and jaw movements during speech longitudinally in three individuals diagnosed with bulbar amyotrophic lateral sclerosis (ALS). The study was motivated by the need to understand the relationship between physiologic changes in speech movements and clinical measures of speech performance such as speaking rate and speech intelligibility. Movements of the lip and jaw were quantified with respect to their size speed, and duration. The data revealed several changes in lip and jaw movement that coincided with ALS progression. In two out of three speakers, the changes in measures of …
Age Effect On The Gaze Stabilization Test, Julie A. Honaker
Age Effect On The Gaze Stabilization Test, Julie A. Honaker
Department of Special Education and Communication Disorders: Faculty Publications
Impairments of the vestibular-ocular reflex (VOR) lead to a decline in visual acuity during head movements. Dynamic visual acuity (DVA) testing is a sensitive assessment tool for detecting VOR impairments. DVA evaluates accuracy of visual acuity during fixed velocity head movements. In contrast, the Gaze Stabilization test (GST) is a new functional evaluation of the VOR that identifies a person’s maximum head velocity (in degrees per second) a person can maintain with stable vision of a target (i.e. optotype). The objective of this study was to evaluate the effect of age on the GST in participants without vestibular disease. The …
A Cross-Sectional Comparison Of The Effects Of Phonotactic Probability And Neighborhood Density On Word Learning By Preschool Children, Jill R. Hoover, Holly L. Storkel, Tiffany Hogan
A Cross-Sectional Comparison Of The Effects Of Phonotactic Probability And Neighborhood Density On Word Learning By Preschool Children, Jill R. Hoover, Holly L. Storkel, Tiffany Hogan
Department of Special Education and Communication Disorders: Faculty Publications
Two experiments examined the effects of phonotactic probability and neighborhood density on word learning by 3-, 4-, and 5-year-old children. Nonwords orthogonally varying in probability and density were taught with learning and retention measured via picture naming. Experiment 1 used a within-story probability/across-story density exposure context. Experiment 2 used an across-story probability/within-story density exposure context. Results showed that probability and density interacted to create optimal learning conditions. Specifically, rare/sparse sound sequences appeared to facilitate triggering of word learning. In contrast, the optimal convergence for lexical configuration and engagement was dependent on exposure context. In particular, common sound sequences and dense …
Accuracy Of Perceptually Based And Acoustically Based Inspiratory Loci In Reading, Yu-Tsai Wang, Jordan R. Green, Ignatius S. B. Nip, Ray D. Kent, Jane Finley Kent, Cara Ullman
Accuracy Of Perceptually Based And Acoustically Based Inspiratory Loci In Reading, Yu-Tsai Wang, Jordan R. Green, Ignatius S. B. Nip, Ray D. Kent, Jane Finley Kent, Cara Ullman
Department of Special Education and Communication Disorders: Faculty Publications
Investigations of speech often involve the identification of inspiratory loci in continuous recordings of speech. The present study investigates the accuracy of perceptually determined and acoustically determined inspiratory loci. While wearing a circumferentially vented mask connected to a pneumotach, 16 participants read two passages. The perceptually determined and acoustically determined inspiratory loci were compared with the actual loci of inspiration, which were determined aerodynamically. The results showed that (1) agreement across all three judges was the most accurate of the approaches considered here for detecting inspiratory loci based on listening; (2) the most accurate pause duration threshold for detecting inspiratory …
Lip Movement Exaggerations During Infant Directed Speech, Jordan R. Green, Ignatius S. B. Nip, Erin M. Wilson, Antje Mefferd, Yana Yunusova
Lip Movement Exaggerations During Infant Directed Speech, Jordan R. Green, Ignatius S. B. Nip, Erin M. Wilson, Antje Mefferd, Yana Yunusova
Department of Special Education and Communication Disorders: Faculty Publications
Purpose: Although a growing body of literature has indentified the positive effects of visual speech on speech and language learning, oral movements of infant directed speech have rarely been studied. This investigation used 3-dimensional motion capture technology to describe how mothers modify their lip movements when talking to their infants.
Method: Lip movements were recorded from twenty-five mothers as they spoke to their infants and other adults. Lip shapes were analyzed for differences across speaking conditions. The maximum fundamental frequency, duration, acoustic intensity, and first and second formant frequency of each vowel were also measured.
Results: Lip movements were significantly …
Articulatory-To-Acoustic Relations In Response To Speaking Rate And Loudness Manipulations, Antje Mefferd, Jordan R. Green
Articulatory-To-Acoustic Relations In Response To Speaking Rate And Loudness Manipulations, Antje Mefferd, Jordan R. Green
Department of Special Education and Communication Disorders: Faculty Publications
Purpose: This investigation determined the strength of association between tongue kinematic and speech acoustic changes in response to speaking rate and loudness manipulations. Performance changes in the kinematic and acoustic domains were measured using two aspects of speech production presumably affecting speech clarity: phonetic specification and variability.
Method: Tongue movements for the vowels /ia/ were recorded in ten healthy adults during habitual, fast, slow and loud speech using three dimensional electromagnetic articulography. To determine articulatory-to-acoustic relations for phonetic specification, we correlated changes in lingual displacement with changes in acoustic vowel distance. To determine articulatory-toacoustic relations for phonetic variability, we correlated …
Vowel Recognition From Continuous Articulatory Movements For Speaker-Dependent Applications, Jun Wang, Jordan R. Green, Ashok Samal, Tom D. Carrell
Vowel Recognition From Continuous Articulatory Movements For Speaker-Dependent Applications, Jun Wang, Jordan R. Green, Ashok Samal, Tom D. Carrell
Department of Special Education and Communication Disorders: Faculty Publications
A novel approach was developed to recognize vowels from continuous tongue and lip movements. Vowels were classified based on movement patterns (rather than on derived articulatory features, e.g., lip opening) using a machine learning approach. Recognition accuracy on a single-speaker dataset was 94.02% with a very short latency. Recognition accuracy was better for high vowels than for low vowels. This finding parallels previous empirical findings on tongue movements during vowels. The recognition algorithm was then used to drive an articulation-to-acoustics synthesizer. The synthesizer recognizes vowels from continuous input stream of tongue and lip movements and plays the corresponding sound samples …
Orostiff: Face-Referenced Measurement Of Perioral Stiffness In Health And Disease, Shin-Ying Chu, Steven M. Barlow, Douglas Kieweg, Jaehoon Lee
Orostiff: Face-Referenced Measurement Of Perioral Stiffness In Health And Disease, Shin-Ying Chu, Steven M. Barlow, Douglas Kieweg, Jaehoon Lee
Department of Special Education and Communication Disorders: Faculty Publications
A new device and automated measurement technology known as OroSTIFF is described to characterize non-participatory perioral stiffness in healthy adults for eventual application to patients with orofacial movement disorders associated with neuromotor disease, traumatic injury, or congenital clefts of the upper lip. Previous studies of perioral biomechanics required head stabilization for extended periods of time during measurement which precluded sampling patients with involuntary body/head movements (dyskinesias), or pediatric subjects. The OroSTIFF device is face-referenced and avoids the complications associated with head-restraint. Supporting data of non-participatory perioral tissue stiffness using OroSTIFF are included from 10 male and 10 female healthy subjects. …
Laryngeal Somatosensory Deficits In Parkinson’S Disease: Implications For Speech Respiratory And Phonatory Control, Michael J. Hammer, Steven M. Barlow
Laryngeal Somatosensory Deficits In Parkinson’S Disease: Implications For Speech Respiratory And Phonatory Control, Michael J. Hammer, Steven M. Barlow
Department of Special Education and Communication Disorders: Faculty Publications
Parkinson’s disease (PD) is often associated with substantial impairment of speech respiratory and phonatory control. However, the degree to which these impairments are related to abnormal laryngeal sensory function is unknown. This study examined whether individuals with PD exhibited abnormal and more asymmetric laryngeal somatosensory function compared with healthy controls, and whether these deficits were associated with disease and voice severity. Nineteen PD participants were tested and compared with 18 healthy controls. Testing included endoscopic assessment of laryngeal somatosensory function, with aerodynamic and acoustic assessment of respiratory and phonatory control, and clinical ratings of voice and disease severity. PD participants …
Subthalamic Nucleus Deep Brain Stimulation Changes Speech Respiratory And Laryngeal Control In Parkinson's Disease, Michael J. Hammer, Steven M. Barlow, Kelly E. Lyons, Rajesh Pahwa
Subthalamic Nucleus Deep Brain Stimulation Changes Speech Respiratory And Laryngeal Control In Parkinson's Disease, Michael J. Hammer, Steven M. Barlow, Kelly E. Lyons, Rajesh Pahwa
Department of Special Education and Communication Disorders: Faculty Publications
Adequate respiratory and laryngeal motor control are essential for speech, but may be impaired in Parkinson's disease (PD). Bilateral subthalamic nucleus deep brain stimulation (STN DBS) improves limb function in PD, but the effects on respiratory and laryngeal control remain unknown. We tested whether STN DBS would change aerodynamic measures of respiratory and laryngeal control, and whether these changes were correlated with limb function and stimulation parameters. Eighteen PD participants with bilateral STN DBS were tested within a morning session after a minimum of 12 h since their most recent dose of anti-PD medication. Testing occurred when DBS was on, …
Using Visual Scene Displays To Create A Shared Communication Space For A Person With Aphasia, Karen Hux, Megan Buechter, Sarah Wallace, Kristy S.E. Weissling
Using Visual Scene Displays To Create A Shared Communication Space For A Person With Aphasia, Karen Hux, Megan Buechter, Sarah Wallace, Kristy S.E. Weissling
Department of Special Education and Communication Disorders: Faculty Publications
Background: Low-tech visual scene displays (VSDs) combine contextually rich pictures and written text to support the communication of people with aphasia. VSDs create a shared communication space in which a person with aphasia and a communication partner co-construct messages.
Aims: The researchers examined the effect of low-tech VSDs on the content and quality of communicative interactions between a person with aphasia and unfamiliar communication partners.
Methods & Procedures: One person with aphasia and nine unfamiliar communication partners engaged in short, one-on-one conversations about a specified topic in one of three conditions: shared-VSDs, non-shared-VSDs, and no-VSDs. Data included discourse analysis scores …
Tac-Cell Inputs To Human Hand And Lip Induces Shortterm Adaptation Of The Primary Somatosensory Cortex, Lalit Venkatesan, Steven M. Barlow, Mihai Popescu, Anda Popescu, Edward T. Auer
Tac-Cell Inputs To Human Hand And Lip Induces Shortterm Adaptation Of The Primary Somatosensory Cortex, Lalit Venkatesan, Steven M. Barlow, Mihai Popescu, Anda Popescu, Edward T. Auer
Department of Special Education and Communication Disorders: Faculty Publications
A new pneumatic tactile stimulator, called the TAC-Cell, was developed in our laboratory to noninvasively deliver patterned cutaneous stimulation to the face and hand in order to study the neuromagnetic response adaptation patterns within the primary somatosensory cortex (S1) in young adult humans. Individual TAC-Cells were positioned on the glabrous surface of the right hand, and midline of the upper and lower lip vermilion. A 151-channel magnetoencephalography (MEG) scanner was used to record the cortical response to a novel tactile stimulus which consisted of a repeating 6-pulse train delivered at three different frequencies through the active membrane surface of the …
Cognitive Behavioral Therapy (Cbt), Rhonda Turner, Susan M. Swearer Napolitano
Cognitive Behavioral Therapy (Cbt), Rhonda Turner, Susan M. Swearer Napolitano
Department of Educational Psychology: Faculty Publications
Cognitive Behavioral Therapy (CBT) is a form of psychotherapy that focuses on the role of cognition in the expression of emotions and behaviors. CBT assumes that maladaptive feelings and behaviors develop through cognitive processes which evolve from interactions with others and experiences in the environment. The goal of therapy is to identify the maladaptive cognitive process and to learn new ways of perceiving and thinking about events. These new ways of thinking will lead to more positive behavioral and emotional responses.
CBT has rapidly increased in popularity over the last forty years. It enjoys strong empirical support, and the body …
Discontinuities And Differences Among Muslim Arab-Americans: Making It At Home And School, Loukia K. Sarroub
Discontinuities And Differences Among Muslim Arab-Americans: Making It At Home And School, Loukia K. Sarroub
Department of Teaching, Learning, and Teacher Education: Faculty Publications
Cohen and Neufeld (1981) have remarked that schools are a great theater in which conflicts of culture get played out. The same can be said about homes and families in relation to schools. In fact, scholars and educators have attempted to understand, define, and refine the parameters and connections that bind schools and homes together. In this chapter, I explore the ways in which students’ success at home and school has been conceptualized in scholarly literature, and then connect this literature to the lives of Arab-American youth and their families. The underlying premise undergirding the ideas in this chapter is …
Teacher Education For Social Justice: What’S Pupil Learning Got To Do With It?, Marilyn Cochran-Smith, Ann Marie Gleeson, Kara Mitchell
Teacher Education For Social Justice: What’S Pupil Learning Got To Do With It?, Marilyn Cochran-Smith, Ann Marie Gleeson, Kara Mitchell
Department of Teaching, Learning, and Teacher Education: Faculty Publications
There are many controversies related to the increasingly widespread theme of “social justice” in teacher education, including debates about whether and/or how promoting pupils’ learning is part of this theme. This article briefly discusses the concept of teacher education for social justice in terms of pupils’ learning and then considers this notion in terms of the current press to hold teacher education accountable for learning. The article then presents the results of the “Teacher Assessment/Pupil Learning” (TAPL) study, an analysis nested inside a larger qualitative study about learning to teach over time in a preparation program with a stated social …