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21.
Catalina Sau Man Ng Wenyu Chai Hung Kit Fok Sing Pui Chan Ho Cheong Lam 《Journal of Early Childhood Teacher Education》2020,41(3):284-305
ABSTRACT Teaching Chinese to second language learners is a challenge for preschool teachers in Hong Kong so effective teacher professional development programmes are urgently needed to enhance their knowledge and skills. An Integrative Model Teacher Professional Development Programme which incorporates three theoretical underpinnings (i.e., culturally responsive teaching, meaningful and pleasurable learning, and effective teaching of Chinese as a second language) is designed to equip preschool teachers with knowledge, skills, and awareness in teaching Chinese to ethnic minority students. Through qualitative interviews with 15 in-service preschool teachers who joined the Programme, teachers’ perceptions and changes in three theoretical areas of teaching Chinese to ethnic minority students were explored. Particularly, teachers increased their awareness of ethnic minority cultures, developed empathy with ethnic minority children and their families, gained knowledge of implementing culturally responsive teaching and meaningful and pleasurable learning of Chinese. The role of teacher sharing in effective professional development was highlighted. 相似文献
22.
Attitudes toward Family Obligations among American Adolescents with Asian, Latin American, and European Backgrounds 总被引:6,自引:0,他引:6
This study was designed to examine the attitudes toward family obligations among over 800 American tenth ( M age = 15.7 years) and twelfth ( M age = 17.7 years) grade students from Filipino, Chinese, Mexican, Central and South American, and European backgrounds. Asian and Latin American adolescents possessed stronger values and greater expectations regarding their duty to assist, respect, and support their families than their peers with European backgrounds. These differences tended to be large and were consistent across the youths' generation, gender, family composition, and socioeconomic background. Whereas an emphasis on family obligations tended to be associated with more positive family and peer relationships and academic motivation, adolescents who indicated the strongest endorsement of their obligations tended to receive school grades just as low as or even lower than those with the weakest endorsement. There was no evidence, however, that the ethnic variations in attitudes produced meaningful group differences in the adolescents' development. These findings suggest that even within a society that emphasizes adolescent autonomy and independence, youths from families with collectivistic traditions retain their parents' familistic values and that these values do not have a negative impact upon their development. 相似文献
23.
Wendy Lam Yuen‐Kwan 《Asia-Pacific Journal of Teacher Education》1998,26(1):65-73
The present research addressed the issue of ‘life after a course’. The study aimed to evaluate the efficacy of four in‐service teacher‐training courses at the Hong Kong Institute of Education in terms of their usefulness and relevance to the teachers’ needs on return to school. An end‐of‐course evaluation questionnaire and a follow‐up questionnaire were sent six months after the courses to see if there were any significant differences in the participants’ views on the effectiveness of a course at two different time points. Qualitative data collected from interviews between the tutors and participants six months after the courses were also analysed to find out which aspects of the courses were considered to be most useful to the teachers on their return to school, and why they were useful. The findings from the research give valuable insights into the design of teacher‐education courses. 相似文献
24.
A method for monitoring the biological exocytotic phenomena on a microfluidic system was proposed. A microfluidic device coupled with functionalities of fluorescence imaging and amperometric detection has been developed to enable the real-time monitoring of the exocytotic events. Exocytotic release of single SH-SY5Y neuroblastoma cells was studied. By staining the cells located on integrated microelectrodes with naphthalene-2,3-dicarboxaldehyde, punctuate fluorescence consistent with localization of neurotransmitters stored in vesicles was obtained. The stimulated exocytotic release was successfully observed at the surface of SH-SY5Y cells without refitting the commercial inverted fluorescence microscope. Spatially and temporally resolved exocytotic events from single cells on a microfluidic device were visualized in real time using fluorescence microscopy and were amperometrically recorded by the electrochemical system simultaneously. This coupled technique is simple and is hoped to provide new insights into the mechanisms responsible for the kinetics of exocytosis. 相似文献
25.
We present a new approach to enhance mixing in T-type micromixers by introducing a constriction in the microchannel under periodic electro-osmotic flow. Two sinusoidal ac electric fields with 180° phase difference and similar dc bias are applied at the two inlets. The out of phase ac electric field induces oscillation of fluid interface at the junction of the two inlet channels and the constriction. Due to the constriction introduced at the junction, fluids from these two inlets form alternative plugs at the constricted channel. These plugs of fluids radiate downstream from the constriction into the large channel and form alternate thin crescent-shaped layers of fluids. These crescent-shaped layers of fluids increase tremendously the contact surface area between the two streams of fluid and thus enhance significantly the mixing efficiency. Experimental results and mixing mechanism analysis show that amplitude and frequency of the ac electric field and the length of the constriction govern the mixing efficiency. 相似文献
26.
Problem-based learning and the development of metacognition 总被引:1,自引:0,他引:1
Kevin Downing Theresa Kwong Sui-Wah Chan Tsz-Fung Lam Woo-Kyung Downing 《Higher Education》2009,57(5):609-621
This study samples first year undergraduates from two programmes at a Hong Kong University (N = 66). One programme uses an entirely problem-based approach to learning and teaching, whilst the other uses more traditional
methods. Using the Learning and Study Strategies Inventory (LASSI) as a measure of student perceptions of their thinking,
or metacognition it explores differences in metacognitive development between each group of students between the beginning
and end of their first year in each programme. The paper argues that, in addition to the formal learning context, everyday
challenges emerging from the additional new social contexts provided by problem-based curricula provide fertile environments
for the development of metacognition because whilst the highest ‘meta-level’ of cognition is usually not implicated when we
receive an outside task and when the task solution is known, the meta-level does tend to be consulted when things go wrong
or when the situation is new. In other words, when we are faced with finding solutions to a problem whether posed by the teacher
as part of a problem-based curriculum or a new social environment, we are more likely to develop generic, as well as subject
specific skills. 相似文献
27.
This paper reports on a study designed to investigate (a) whether peer review is an effective pedagogical activity with adult
Chinese students in the teaching of second language (L2) academic writing and (b) how factors such as perceptions of the influence
of peer reviewers’ L2 proficiency, previous experience with peer review, feedback preferences, and culturally-based beliefs
and practices relate to the effectiveness of the pedagogical activity. Participants were 20 English-as-an-L2 learners from
China who were enrolled in an academic writing class for postgraduate students at a Singaporean university. Data included
first drafts of an academic writing assignment, written peer comments, revised drafts of the assignment, responses to a questionnaire,
and interviews. Quantitative analyses of the peer comments and revisions to the drafts show that significant improvement in
the revised drafts was linked to peer feedback. Further statistical analyses indicate that the learner variables of interest
did not affect the effectiveness of the peer review activity. In addition, qualitative analyses of the questionnaire data
and the interviews reveal a general acceptance of peer review as a socioculturally appropriate pedagogical activity for Chinese
students. The results of the study are interpreted with an understanding of its limitations, and directions for further research
are also discussed. 相似文献
28.
ABSTRACTThis study examined the effect of wearing time on comfort perception and landing biomechanics of basketball shoes with different midsole hardness. Fifteen basketball players performed drop landing and layup first step while wearing shoes of different wearing time (new, 2-, 4-, 6- and 8-week) and hardness (soft, medium and hard). Two-way ANOVA with repeated measures was performed on GRF, ankle kinematic and comfort perception variables. Increased wearing time was associated with poorer force attenuation and comfort perception during landing activities (p < 0.05). The new shoes had significantly smaller forefoot (2- and 4-week) and rearfoot peak GRF impacts (all time conditions) in drop landing and smaller rearfoot peak GRF impact (6- and 8-week) in layup; shoes with 4-week of wearing time had significantly better perceptions of forefoot cushioning, forefoot stability, rearfoot cushioning, rearfoot stability and overall comfort than the new shoes (p < 0.05). Compared with hard shoes, the soft shoes had better rearfoot cushioning but poorer forefoot cushioning (p < 0.05). Shoe hardness and wearing time would play an influential role in GRF and comfort perception, but not in ankle kinematics. Although shoe cushioning performance would decrease even after a short wearing period, the best comfort perception was found at 4-week wearing time. 相似文献
29.
30.
Christopher F. Lucey Sarah K. Y. Lam 《International journal for the advancement of counseling》2012,34(2):107-117
This study was designed to identify characteristics of family functioning that relate to suicide potential in an outpatient
adolescent population. Participants included 51 adolescents between the ages of 14 and 18 who were involved in outpatient
counselling. The Family Environment Scale and the Suicide Probability Scale were used to assess adolescents’ perception of
family social climate and degree of suicide risk respectively. Results revealed significant correlations between suicide risk
and family systems characterized by heightened conflict and lower levels of cohesion, independence, and organization. A stepwise
multiple regression analysis suggested that organization (related to clarity and structure in family activities and responsibilities)
was the strongest predictor of suicide risk. Implications for research and practice are considered. 相似文献