Effectiveness of a Science Agricultural Summer Experience (SASE) in Recruiting Students to Natural Resources Management     

Edward Martinez  Jennifer Lindline  Michael S. Petronis  Maura Pilotti 《Journal of Science Education and Technology》2012,21(6):713-721

The Bureau of Labor Statistics projects an increase in Natural Resource Management (NRM) jobs within the next 10?years due to baby-boomer retirements and a 12% increase in demand for these occupations. Despite this trend, college enrollment in NRM disciplines has declined. Even more critical is the fact that the soon-to-be-majority Hispanic population is underrepresented in NRM disciplines. The goal of the present study was to determine if an in-residence, two-week, summer science program for underrepresented minorities would not only increase interest in science, actual science knowledge, and perceived science knowledge, but also have an overall impact on underrepresented minority students?? decisions to attend college, major in a scientific discipline and pursue a career in science. During a four-year period, 76 high school students participated in a Science Agricultural Summer Experience (SASE) in Northern New Mexico. A pre/post science-knowledge exam and satisfaction survey were administered to participants. We demonstrate that participants improved significantly (p?<?.05) in all areas measured. In particular, comfort with science field and lab activities, science knowledge and perceived science knowledge were enhanced after exposure to the program. Students not only found science exciting and approachable after participation, but also exhibited increased interest in pursuing a degree and career in science. Of the 76 SASE participants within graduation age (n?=?44), all graduated from high school; and 86% enrolled in college. These findings suggest that the implemented SASE initiative was effective in recruiting and increasing the confidence and abilities of underrepresented minority students in science.  相似文献   

The effect of short-term educational travel programs on environmental citizenship     

Michael Tarrant  Kevin Lyons 《Environmental Education Research》2012,18(3):403-416

Short-term study abroad is the fastest growing area of international education and there is increasing interest in the role of modified applications of this form (e.g. faculty-led, field/environmental, and/or educational travel) in influencing global citizenship. Using an empirical database of over 650 students registered for a study abroad course in sustainable development offered in Australia and New Zealand, we explore the effect of short-term educational travel programs on environmental citizenship. We also identify differences among key student characteristics (past study abroad experience, gender, and program destination) in influencing citizenry. Results show that participation in the educational travel program significantly moderates (decreases) the difference in environmental citizenship scores for first-timers (vs. those with past experience in study abroad) and program destination, but increases the difference in environmental citizenship for males vs. females. Implications for destination image and national brand marketing of environmental-oriented educational travel programs are discussed.  相似文献   

Editorial     

Diane Mayer  Michael Singh  Ninetta Santoro  Jo-Anne Reid 《Asia-Pacific Journal of Teacher Education》2012,40(2):79-81

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Producing ‘quality’ teachers: the role of teacher professional standards     

Ninetta Santoro  Jo-Anne Reid  Diane Mayer  Michael Singh 《Asia-Pacific Journal of Teacher Education》2012,40(1):1-3

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Relationships between mathematical knowledge for teaching and teaching practice: the case of proof     

Michael D. Steele  Kimberly Cervello Rogers 《Journal of Mathematics Teacher Education》2012,15(2):159-180

Teachers of mathematics orchestrate opportunities for interactions between learners and subject matter. Therefore, mathematics teachers need rich, multidimensional content knowledge for teaching mathematics, which incorporates knowledge of the subject matter, students, and teaching. Studying this mathematical knowledge for teaching (MKT) necessitates more than a unidirectional assessment. In this study, the mathematical knowledge for teaching reasoning and proving of two secondary mathematics teachers was investigated through classroom observations and clinical assessments. Results indicate that using MKT as a frame for examining classroom practice, in addition to assessing the MKT a teacher possesses in a clinical setting, provides an in-depth and innovative method for investigating MKT. The comparison of the two cases also identifies student positioning as a key mediating factor between MKT and opportunities to learn. Implications for using MKT as a lens for examining practice in teacher education are discussed.  相似文献   

Effect of Self-instruction Strategy on the Achievement in Algebra of Students With Learning Difficulty in Mathematics     

Adani Anthony  Eskay Michael  Onu Victoria 《美中教育评论》2012,(12):1006-1021

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Variations on variability: effects of display composition on same–different discrimination in pigeons     

Leyre Castro  Edward A. Wasserman  Michael E. Young 《Learning & behavior》2012,40(4):416-426

Discriminating same from different multiitem arrays can be represented as a discrimination between arrays involving low variability and arrays involving high variability. In the present investigation, we first trained pigeons with the extreme values along the variability continuum (arrays containing 16 identical items vs. 16 nonidentical items), and we later tested the birds with arrays involving intermediate levels of variability; we created these testing arrays either by manipulating the combination of same and different items (mixture testing) or by changing the number of items in the same and different arrays (number testing). According to an entropy account (Young & Wasserman, Journal of Experimental Psychology: Animal Behavior Processes 23:157?C170, 1997), the particular means of changing variability should have no effect on same?Cdifferent discrimination performance: Equivalent variability should yield equivalent performance. In this critical test of an entropy account, we found that entropy could explain a large portion of our data, but not the entire collection of results.  相似文献   

Positive Effects of Converting a Food and Bioprocessing Analysis Course to an Inquiry‐Guided Approach     

Gabriel K. Harris  Sanja Cvitkusic  Amanda S. Draut  Chelani S. Hathorn  Amanda M. Stephens  Karen E. Constanza  Michael J. Leonardelli  Ruth H. Watkins  Lisa O. Dean  Nathaniel G. Hentz 《Journal of Food Science Education》2012,11(2):23-27

Abstract: Food science laboratory courses are traditionally taught as a series of preplanned laboratories with known endpoints. In contrast, inquiry‐guided (IG) laboratories allow students to ask questions, think through problems, design experiments, then adapt and learn in response to unexpected results. This study examined the effects of converting the course, “Analytical Techniques in Food and Bioprocessing Sciences” from a traditional approach (2008 to 2010 data) to an IG approach (2011 data) by assigning teams of 2–3 students a food and a set of 5 analyses to conduct over the course of the semester. Students were required to choose and justify the use of specific methods for each analysis, as well as to develop a supply list and a budget for the semester‐long project. During the semester, students were required to post and discuss their weekly progress with the instructor, teaching assistants, and the rest of the class using an online discussion forum. At the end of the semester, students were required to present the results of their analysis in both oral and written formats. Overall course grades were significantly higher (P≤ 0.05) using IG in 2011 compared to 2010 and 2009, but not to 2008 grades. Numerical course evaluations for the instructor, overall course, and lab, as well as written course evaluations all significantly (P≤ 0.05) improved. This suggests that an IG approach may measurably improve student performance in terms of course grades and the ability to complete semester long projects. It may also increase student satisfaction with the course, as measured by numerical and written end of semester surveys.  相似文献   

Children's Norm Enforcement in Their Interactions With Peers     

Bahar Köymen  Elena Lieven  Denis A. Engemann  Hannes Rakoczy  Felix Warneken  Michael Tomasello 《Child development》2014,85(3):1108-1122

This study investigates how children negotiate social norms with peers. In Study 1, 48 pairs of 3‐ and 5‐year‐olds (N = 96) and in Study 2, 48 pairs of 5‐ and 7‐year‐olds (N = 96) were presented with sorting tasks with conflicting instructions (one child by color, the other by shape) or identical instructions. Three‐year‐olds differed from older children: They were less selective for the contexts in which they enforced norms, and they (as well as the older children to a lesser extent) used grammatical constructions objectifying the norms (“It works like this” rather than “You must do it like this”). These results suggested that children's understanding of social norms becomes more flexible during the preschool years.  相似文献   

A synergistic approach to turning the tide of grade inflation     

Kim C. O’Halloran  Michael E. Gordon 《Higher Education》2014,68(6):1005-1023

Higher education in the United States is facing increasing demands for colleges and universities to demonstrate what students learn and that they are providing a high-quality education experience during the undergraduate years (Pascarealla et al. in Chang Mag High Learn 42(1):16–22, 2010). Despite evidence of the elevation of grades in higher education dating back to the 1970s, attempts to rein in this phenomenon have been largely unsuccessful (Nikolakakos et al. in Coll Univ 87(3):2–14 2012). It is our contention that attempts to reform grading have not succeeded because their focus is too narrow. After providing background information on the extent and causes of grade inflation, we will propose a synergistic approach to dealing with the problem of grade inflation.  相似文献