DNA microarray wet lab simulation brings genomics into the high school curriculum     

Campbell AM  Zanta CA  Heyer LJ  Kittinger B  Gabric KM  Adler L  Schulz B 《CBE life sciences education》2006,5(4):332-339

We have developed a wet lab DNA microarray simulation as part of a complete DNA microarray module for high school students. The wet lab simulation has been field tested with high school students in Illinois and Maryland as well as in workshops with high school teachers from across the nation. Instead of using DNA, our simulation is based on pH indicators, which offer many ideal teaching characteristics. The simulation requires no specialized equipment, is very inexpensive, is very reliable, and takes very little preparation time. Student and teacher assessment data indicate the simulation is popular with both groups, and students show significant learning gains. We include many resources with this publication, including all prelab introductory materials (e.g., a paper microarray activity), the student handouts, teachers notes, and pre- and postassessment tools. We did not test the simulation on other student populations, but based on teacher feedback, the simulation also may fit well in community college and in introductory and nonmajors' college biology curricula.  相似文献   

Rheology and Philadelphia     

Leslie R. Bacon 《Journal of The Franklin Institute》1934,218(3):395-396

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Electrokinetic phenomena and their application to biology and medicine: By Harold A. Abramson,M.D. American Chemical Society Monograph No. 66. 331 pages,with 57 tables and 106 figures. 15.5 × 23.5 cm. The Chemical Catalog Company,Inc., New York, 1934. Price $7.50     

Leslie R. Bacon 《Journal of The Franklin Institute》1934,218(5):640-641

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The world's largest diesel     

Leslie R. Bacon 《Journal of The Franklin Institute》1935,219(3):398-399

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But I like PE: factors associated with enjoyment of physical education class in middle school girls     

Barr-Anderson DJ  Neumark-Sztainer D  Schmitz KH  Ward DS  Conway TL  Pratt C  Baggett CD  Lytle L  Pate RR 《Research quarterly for exercise and sport》2008,79(1):18-27

The current study examined associations between physical education (PE) class enjoyment and sociodemographic, personal, and perceived school environment factors among early adolescent girls. Participants included 1,511 sixth-grade girls who completed baseline assessments for the Trial of Activity in Adolescent Girls, with 50% indicating they enjoyed PE class a lot. Variables positively associated with PE class enjoyment included physical activity level, perceived benefits of physical activity, self-efficacy for leisure time physical activity, and perceived school climate for girls' physical activity as influenced by teachers, while body mass index was inversely associated with PE class enjoyment. After adjusting for all variables in the model, PE class enjoyment was significantly greater in Blacks than in Whites. In model testing, with mutual adjustment for all variables, self-efficacy was the strongest correlate of PE class enjoyment, followed by perceived benefits, race/ethnicity, and teachers' support for girls' physical activity, as compared to boys, at school. The overall model explained 11% of the variance in PE class enjoyment. Findings suggest that efforts to enhance girls' self-efficacy and perceived benefits and to provide a supportive PE class environment that promotes gender equality can potentially increase PE class enjoyment among young girls.  相似文献   

Book reviews     

Sixten Marklund  Franz Hilker  Marjorie L. Jenkins  Franklin Parker  Gustav Jahoda  M. J. Langeveld  Karl Henrik Eriksson  Nicholas Hans  Gilbert de Landsheere  Leslie D. Mclean  J. Cambon  A. St. Langeland  S. Wiegersma  Richard F. Goodings  J. B. Biggs 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1966,12(2):221-251

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Reviews     

K. A. Percy  George Psacharopoulos  Johan P. Olsen  Michalina Vaughan  Leslie Purdy  K. C. Mukherjee  Max Streit  D. J. Hounsell  Marvin W. Peterson 《Higher Education》1974,3(4):473-478

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The effects of teacher-delivered social reinforcement on the task persistent behavior of educable mentally retarded children     

Ada D. Hill  Phillip S. Strain 《Psychology in the schools》1977,14(2):207-212

The effects of teacher-delivered social reinforcers on the task persistent behavior of children enrolled in an intermediate class for the educable mentally retarded were studied. These children were grouped with a regular fourth grade class during a social studies period in which the study was conducted. The special education children were randomly divided into two groups, with seven children in each group. Using a reversal design, social reinforcers were delivered contingent upon the task persistent behavior of the seven target children. The seven youngsters in the control, or nonreinforcement, group were essentially ignored as they engaged in appropriate task-related behaviors. The results clearly show that increases in the level of task persistent behavior and the administration of social reinforcement were functionally related. The level of task persistent behavior emitted by the control children was not affected by reinforcement delivered to their peers.  相似文献   

Factors Affecting the Legibility of Handwriting     

Leslie Quant 《Journal of Experimental Education》2013,81(4):297-316

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Issues in secondary teacher preparation     

Virginia Resta  Billy E. Askins  Leslie Huling 《The Teacher Educator》2013,48(1):57-67

As teacher educators who have had extensive experience working in the field‐based secondary programs of two universities, the authors recognize the benefits, as well as the challenges, of forming partnerships with secondary educators to design and deliver collaboratively the teacher preparation program. In this article, experiences are shared and some of the major issues related to secondary teacher preparation that have been identified and contemplated are discussed.  相似文献