Responses to oral glucose challenge differ by physical activity volume and intensity: A pilot study     

Trevor N. Simper  Cecile Morris  Anthony Lynn  Ciara O'Hagan  Karen Kilner 《运动与健康科学(英文)》2020,9(6):645-650

BackgroundOne-hour postprandial hyperglycemia is associated with increased risk of type 2 diabetes and cardiovascular disease. Physical activity (PA) has short-term beneficial effects on post-meal glucose response. This study compared the oral glucose tolerance test results of 3 groups of people with habitually different levels of PA.MethodsThirty-one adults without diabetes (age 25.9 ± 6.6 years; body mass index 23.8 ± 3.8 kg/m²; mean ± SD) were recruited and divided into 3 groups based on self-reported PA volume and intensity: low activity < 30 min/day of moderate-intensity activity (n = 11), moderately active ≥ 30 min/day of moderate-intensity PA (n = 10), and very active ≥ 60 min/day of PA at high intensity (n = 10). Participants completed an oral glucose tolerance test (50 g glucose) with capillary blood samples obtained at baseline, 15 min, 30 min, 45 min, 60 min, 90 min, and 120 min post-ingestion.ResultsThere were no significant differences between groups for age or body fat percentage or glycated hemoglobin (p > 0.05). The groups were significantly different in terms of baseline glucose level (p = 0.003) and, marginally, for gender (p = 0.053) and BMI (p = 0.050). There was a statistically significant effect of PA on the 1-h postprandial glucose results (p = 0.029), with differences between very active and low activity groups (p = 0.008) but not between the moderately active and low activity groups (p = 0.360), even when baseline glucose level and gender differences were accounted for. For incremental area under the curve there was no significant effect of activity group once gender and body fat percentage had been accounted for (p = 0.401). Those in the low activity group took 15 min longer to reach peak glucose level than those in the very active group (p = 0.012).ConclusionThe results suggest that high levels of PA have a beneficial effect on postprandial blood glucose profiles when compared to low and moderate levels of activity.  相似文献   

Feeling for the Pulse after Orlando     

John M. Sloop  Charles E. Morris III 《传播与批判/文化研究》2017,14(2)

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The Digital Humanities Summer Scholarship: A model for library-led undergraduate digital scholarship     

Sarah Morris 《College & Undergraduate Libraries》2017,24(2-4):532-544

ABSTRACT

The article offers a model for library-centered undergraduate engagement with digital scholarship based on two years of successful implementation at Lafayette College. Librarians designed a competitive six-week summer internship where undergraduate students built their own digital research projects. Through their original projects, students practiced traditional research methods and simultaneously explored subfields of digital scholarship. The article's topics include the relationship between digital scholarship and information literacy, the library's role in facilitating digital scholarship, and the internship's design and execution. The article also includes reflections and recommendations for sustainable implementation.  相似文献   

The Relationship of Spelling Recognition, RAN, and Phonological Awareness to Reading Skills in Older Poor Readers and Younger Reading-Matched Controls     

Tami Katzir  YoungSuk Kim  Maryanne Wolf  Becky Kennedy  Maureen Lovett  Robin Morris 《Reading and writing》2006,19(8):845-872

The role of spelling recognition was examined in word reading skills and reading comprehension for dyslexic and nondyslexic children. Dyslexic and nondyslexic children were matched on their raw word reading proficiency. Relationships between spelling recognition and the following were examined for both groups of children: verbal ability, working memory, phonological measures, rapid naming, word reading, and reading comprehension. Children’s performance in spelling recognition was significantly associated with their skills in word reading and reading comprehension regardless of their reading disability status. Furthermore, spelling recognition contributed significant variance to reading comprehension for both dyslexic and nondyslexic children after the effects of phonological awareness, rapid naming, and word reading proficiency had been accounted for. The results support the role of spelling recognition in reading development for both groups of children and they are discussed using a componential reading fluency framework.  相似文献   

The influence of reading unit size on the development of Stroop interference in early word decoding     

Paula J. Schwanenflugel  Robin D. Morris  Melanie R. Kuhn  Gregory P. Strauss  Jennifer M. Sieczko 《Reading and writing》2008,21(3):177-203

The purpose of the experiments was to determine the automatic use of large or small word reading units in young readers in the absence of word decoding strategies. Picture-word Stroop interference was examined from four types of conflicting labels: (a) words containing both highly predictable grapheme–phoneme correspondence (GPC) units and highly consistent rime units (henceforth, Hi-GPC + Hi-Rime); (b) words with highly predictable GPC units and less consistent rime units (Hi-GPC + Lo-Rime); (c) words with low predictability GPC units and highly consistent rime units (Low GPC + High Rime); (d) nonwords that contained both highly predictable GPC and highly consistent rime units. Naming time for pictures containing these labels was compared against that for pictures with random letter strings or no labels. In Experiment 1, Stroop interference was examined in first, second, and third grade children to determine whether there was developmental change in the presence of rime or GPC interference. In Experiment 2, Stroop interference was examined as a function of relative reading skill in first grade children. In Experiment 3, Stroop interference in adults was compared to the use of rime or GPC pronunciation strategies for nonword reading. In all experiments, Stroop interference in picture naming was longer for pictures with highly predictable GPC unit labels than less predictable GPC unit labels. However, in Experiment 3, even though adults showed interference from predictable GPC units in the Stroop task, they always preferred rime pronunciation for ambiguous nonwords in the nonword reading task. It is argued that the current experiments provide evidence for a flexible units model. The results of this study were presented at the Cognitive Development Society meeting, November 2001, Virginia Beach, VA, and the American Educational Research Association meeting, April 2004, San Diego, California.  相似文献   

From scraps to reams to mobile screens? An update on printing services in academic libraries     

Beth Ashmore  Sara E. Morris  Laureen Cantwell 《College & Undergraduate Libraries》2016,23(1):28-43

As a follow-up to their 2001/2002 study on printing services in academic libraries, the authors explore how the provision of printing services has changed over the last twelve years. This article explores how libraries are choosing to fund printing services as well as how technology, such as scanning and mobile devices, has changed the way printing services are provided. The results of the 2013 survey find a greater percentage of libraries are using a fee-based system for printing, and, while some technology is providing greater data and control for printing services, other technological advances are having unintended consequences for libraries’ printing infrastructure.  相似文献   

The contribution of reading comprehension ability and meta‐cognitive control to the development of studying in adolescence     

Stephen T. Peverly  Karen E. Brobst  Kerri S. Morris 《Journal of Research in Reading》2002,25(2):203-216

This study investigated the developmental changes in the contributions of comprehension ability and the meta‐cognitive control of several study strategies (selection, memory, monitoring) to competence in studying among average and above‐average seventh and eleventh‐grade students. Results indicated that the ability to comprehend and meta‐cognitive control of study strategies were related to the recall of information at both ages. However, meta‐cognitive control was clearly more important to the older students than it was to the younger students. These data suggest that future research on the development of studying should focus on students’ use of the strategies of memory and monitoring.  相似文献   

Preparation of Australian Primary Teachers in the Teaching of Reading     

A. Morris  R. G. Cope 《Asia-Pacific Journal of Teacher Education》1978,6(1):69-73

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Developing an empirically based typology of attitudes of entering students toward participation in learning communities     

Peter R. Jones  Jodi Levine Laufgraben  Nancy Morris 《Assessment & Evaluation in Higher Education》2006,31(3):249-265

Learning communities (LC) seek to strengthen and enrich students’ connections to each other, their teachers, and the subject matter they are studying. Their success depends on the nature of the learning community program, the learning styles of the students who participate and the reasons why students entered the program. This study uses a combination of factor and cluster analysis to develop a typology of student experiences that is used to examine the efficacy of the Learning Community program at Temple University, Philadelphia. The findings identify distinctive types of learning community experience and show that not all types match well with all students. The study questions the common assumption that learning communities are always helpful to student learning and development, and cautions against the belief that benefits will inevitably accrue. The variation in the value and impact on students of this long‐standing learning community program suggests that the evaluative burden of proof is for administrators to clearly demonstrate and not assume a uniformly positive impact of learning communities.  相似文献   

Comments on “the nature of advanced reasoning and science instruction”     

Morris A. Enyeart  Anton E. Lawson 《科学教学研究杂志》1984,21(8):859-861

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