Youth and culture: A seventeen nation study of perceived problems and coping strategies     

Janice T. Gibson  Marvin J. Westwood  F. Ishu Ishiyama  William A. Borgen  Susan M. Showalter  Qasem Al-Sarraf  Semiha A. Atakan  Isaura R. F. Guimares  A. Lina Guisti-Ortiz  Margaret Robertson  Benjamin Shafrir  Peter De Weerdt  Gundelina A. Velazco  Carol E. Baker  Maria Dikaiou  Tatiana Gabay  Lina Kashyup  Ilona Lee  Maria E. Felce Di Paula  Hillman Ngunangwa  Nina F. Talyzina 《International journal for the advancement of counseling》1991,14(3):203-216

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Six high-intensity interval training sessions over 5 days increases maximal oxygen uptake,endurance capacity,and sub-maximal exercise fat oxidation as much as 6 high-intensity interval training sessions over 2 weeks     

Muhammed M. Atakan  Yasemin Güzel  Süleyman Bulut  ükran N. Koar  Glenn K. McConell  Hüseyin H. Turnagl 《运动与健康科学(英文)》2021,10(4):478

BackgroundHigh-intensity interval training (HIIT) induces similar or even superior adaptations compared to continuous endurance training. Indeed, just 6 HIIT sessions over 2 weeks significantly improves maximal oxygen uptake (VO_2max), submaximal exercise fat oxidation, and endurance performance. Whether even faster adaptations can be achieved with HIIT is not known. Thus, we aimed to determine whether 2 sessions of HIIT per day, separated by 3 h, every other day for 5 days (double HIIT (HIIT-D), n = 15) could increase VO_2max, submaximal exercise fat oxidation, and endurance capacity as effectively as 6 sessions of HIIT over 2 weeks (single HIIT (HIIT-S), n = 13).MethodsEach training session consisted of 10 × 60 s of cycling at 100% of VO_2max interspersed with 75 s of low-intensity cycling at 60 watt (W). Pre- and post-training assessments included VO_2max, time to exhaustion at ∼80% of VO_2max, and 60-min cycling trials at ∼67% of VO_2max.ResultsSimilar increases (p < 0.05) in VO_2max (HIIT-D: 7.7% vs. HIIT-S: 6.0%, p > 0.05) and endurance capacity (HIIT-D: 80.1% vs. HIIT-S: 79.2%, p > 0.05) were observed. Submaximal exercise carbohydrate oxidation was reduced in the 2 groups after exercise training (HIIT-D: 9.2%, p = 0.014 vs. HIIT-S: 18.8%, p = 0.012) while submaximal exercise fat oxidation was significantly increased in HIIT-D (15.5%, p = 0.048) but not in HIIT-S (9.3%, p = 0.290).ConclusionSix HIIT sessions over 5 days was as effective in increasing VO_2max and endurance capacity and was more effective in improving submaximal exercise fat oxidation than 6 HIIT sessions over 2 weeks.  相似文献   

Gender and culture: Reported problems,coping strategies and selected helpers of male and female adolescents in 17 countries     

Gibson JT  Baker CE  Showalter SM  Al-sarraf Q  Atakan SA  Borgen WA  Guimaraes IR  Giusti-ortiz AL  Ishiyama FI  Robertson M 《International journal for the advancement of counseling》1992,15(3):137-149

This is the second report of a multinational project undertaken in 1988 by the International Round Table for the Advancement of Counseling that sought, among other things, to compare and contrast the reported problems, coping strategies, and help-seeking behavior of 2129 male and 2307 female adolescents from a total of three different socioeconomic backgrounds in each of 16 countries (Australia, Brazil, Canada, Greece, Hong Kong, India, Israel, Japan Kuwait, the Netherlands, the Philippines, China, Puerto Rico, Turkey, the US, and Venezuela) and from a "classless" background in Russia. The first report described the study and research methodology and cited preliminary findings that 1) problems and coping strategies tended to be universal and age-related; 2) impoverished subjects from Brazil, India, the Philippines, and Venezuela had more problems than any other adolescents; 3) problems were usually related to school, family, and identity rather than to sexuality; and 4) the most common coping strategy was individual problem-solving. This report compares male/female identification of up to three problems that cause worry, response to such problems, and help-seeking behavior. All adolescents cited problems in school, identity, and family. Males and females reported similar coping strategies and showed a strong dependence on individual coping strategies. Both males and females choose personal friends and family members as those most likely to help with problems. Males exhibited a higher percentage of problems related to school and a lower percentage of family problems. Russian adolescents reported more problems relating to altruism than any other group, especially males. These results imply that strong similarities exist for males and females, and the findings are worrisome in that problems related to sexuality were not cited. Counselors should expect the concerns of adolescents to be developmentally related and to overwhelm gender differences.  相似文献   

Investigation of classroom management skills by using eye-tracking technology     

Coskun  Atakan  Cagiltay  Kursat 《Education and Information Technologies》2021,26(3):2501-2522

The purpose of this research is to show how wearable eye-tracking technology can be employed to assess and enhance classroom management skills by analyzing the instructors’ eye movements in a university. The research also aimed to evaluate the instructors’ gestures by recording with a video camera synchronized with the eye-tracking data. The findings showed that the wearable eye tracker gives informative feedback about the visual attention of the instructors. It provided meaningful data by video recordings and Retrospective Think Aloud sessions. Also, it demonstrated how the instructors interacted with classroom technology. Consequently, the wearable eye tracker and video-camera together could be used by Teaching/Learning Centers to improve instructors’ classroom management skills and to observe their interaction with instructional technologies.

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Embryonic stem cell bioprinting for uniform and controlled size embryoid body formation     

Xu F  Sridharan B  Wang S  Gurkan UA  Syverud B  Demirci U 《Biomicrofluidics》2011,5(2):22207

Embryonic stem cells (ESCs) are pluripotent with multilineage potential to differentiate into virtually all cell types in the organism and thus hold a great promise for cell therapy and regenerative medicine. In vitro differentiation of ESCs starts with a phase known as embryoid body (EB) formation. EB mimics the early stages of embryogenesis and plays an essential role in ESC differentiation in vitro. EB uniformity and size are critical parameters that directly influence the phenotype expression of ESCs. Various methods have been developed to form EBs, which involve natural aggregation of cells. However, challenges persist to form EBs with controlled size, shape, and uniformity in a reproducible manner. The current hanging-drop methods are labor intensive and time consuming. In this study, we report an approach to form controllable, uniform-sized EBs by integrating bioprinting technologies with the existing hanging-drop method. The approach presented here is simple, robust, and rapid. We present significantly enhanced EB size uniformity compared to the conventional manual hanging-drop method.  相似文献