scholarly journals DIFFICULTIES OF UNDERGRADUATE STUDENTS IN THE ORGANIC CHEMISTRY LABORATORY

2012 ◽  
Vol 42 (1) ◽  
pp. 74-81
Author(s):  
Maria Gabriela Lorenzo ◽  
Ana Maria Reverdito ◽  
Mercedes Blanco ◽  
Alejandra Salerno

Experimental work supposes a unique opportunity to learn procedural contents. However, the conditions and constraints to learn procedures have not been sufficiently discussed or investigated in a laboratory environment. Students` difficulties in organic chemistry laboratory at university are described and explained. A case study (n=15 undergraduate students) was performed. The study was carried out in an actual laboratory class, using different ways for data gathering: 1) A comparison between declarative knowledge of students about experimental work and observations of procedures in class. 2) An evaluation of the effect of laboratory work on the knowledge of students related with the assembly of the apparatus. This research suggests that students’ difficulties in performing experimental work are deeply related to a deficient interrelationship between conceptual and methodological frameworks. Key words: experimental work, learning difficulties, organic chemistry laboratory, procedural contents, university.

2017 ◽  
Vol 18 (4) ◽  
pp. 811-824 ◽  
Author(s):  
Nikita L. Burrows ◽  
Montana K. Nowak ◽  
Suazette R. Mooring

Students can perceive the laboratory environment in a variety of ways that can affect what they take away from the laboratory course. This qualitative study characterizes undergraduate students’ perspectives of a project-based Organic Chemistry laboratory using the theoretical framework of phenomenography. Eighteen participants were interviewed in a semi-structured format to collect their perspectives of the Organic Chemistry lab. Eight qualitatively different ways in which students perceived the lab were uncovered and an outcome space was derived. The findings of this work are intended to inform the design of the undergraduate laboratory curriculum in chemistry that facilitate better student learning. Implications and suggestions for design of laboratory courses based on the results of this work are also presented.


2020 ◽  
Author(s):  
William J. Howitz ◽  
Taylor A. Thane ◽  
Taylor Frey ◽  
Xinran S. Wang ◽  
Joe C. Gonzales ◽  
...  

The instruction of high enrollment general and organic chemistry laboratories at a large public 10 university always have curricular, administrative, and logistical challenges. Herein, we describe how we met these challenges in the transition to remote teaching during the COVID-19 pandemic. We discuss the reasoning behind our approach, the utilization of our existing web-based course content, the additions and alterations to our curriculum, replacement of experimental work with videos, the results of both student and TA surveys, and lessons learned for iterations of these courses in the near 15 future.


2020 ◽  
Author(s):  
William J. Howitz ◽  
Taylor A. Thane ◽  
Taylor Frey ◽  
Xinran S. Wang ◽  
Joe C. Gonzales ◽  
...  

The instruction of high enrollment general and organic chemistry laboratories at a large public 10 university always have curricular, administrative, and logistical challenges. Herein, we describe how we met these challenges in the transition to remote teaching during the COVID-19 pandemic. We discuss the reasoning behind our approach, the utilization of our existing web-based course content, the additions and alterations to our curriculum, replacement of experimental work with videos, the results of both student and TA surveys, and lessons learned for iterations of these courses in the near 15 future.


2020 ◽  
Author(s):  
Monika R. Snowdon

The undergraduate lab for organic chemistry varies from campus to campus. However, the consensus from students does less so. In general, organic chemistry is one of the most daunting courses for science undergraduate students, and the content presented in the corresponding laboratories of these courses can be equally difficult. There has been a shift towards modifying the content of the organic chemistry lab to make it an improved learning experience for the students, such that schools are graduating better chemists, as ultimately, the students are retaining the skills and information more efficiently. This study reviews some of the past decade's improvements towards modifying the organic chemistry undergraduate lab experience to make organic synthesis a more engaging and interesting topic for students.


2020 ◽  
Author(s):  
William J. Howitz ◽  
Taylor A. Thane ◽  
Taylor Frey ◽  
Xinran S. Wang ◽  
Joe C. Gonzales ◽  
...  

The instruction of high enrollment general and organic chemistry laboratories at a large public 10 university always have curricular, administrative, and logistical challenges. Herein, we describe how we met these challenges in the transition to remote teaching during the COVID-19 pandemic. We discuss the reasoning behind our approach, the utilization of our existing web-based course content, the additions and alterations to our curriculum, replacement of experimental work with videos, the results of both student and TA surveys, and lessons learned for iterations of these courses in the near 15 future.


2020 ◽  
Author(s):  
William J. Howitz ◽  
Kate J. McKnelly ◽  
Renee Link

<p>Large, multi-section laboratory courses are particularly challenging when managing grading with as many as 35 teaching assistants (TAs). Traditional grading systems using point-based rubrics lead to significant variations in how individual TAs grade, which necessitates the use of curving across laboratory sections. Final grade uncertainty perpetuates student anxieties and disincentivizes a collaborative learning environment, so we adopted an alternative grading system, called specifications grading. In this system each student knows exactly what level of proficiency they must demonstrate to earn their desired course grade. Higher grades require demonstrating mastery of skills and content at defined higher levels. Each students’ grade is solely dependent on the work they produce rather than the performance of other students. We piloted specifications grading in the smaller, third quarter course of the lower division organic chemistry laboratory series held during a summer term. Open-ended questions were chosen to gather student and TA perceptions of the new grading system. TAs felt that the new grading system reduced the weekly grading time because it was less ambiguous. Responses from students about the nature of the grading system were mixed. Their perceptions indicate that initial buy-in and multiple reminders about the bigger picture of the grading system will be essential to the success of this grading system on a larger scale.</p>


2008 ◽  
Vol 85 (12) ◽  
pp. 1644 ◽  
Author(s):  
Kate J. Graham ◽  
Brian J. Johnson ◽  
T. Nicholas Jones ◽  
Edward J. McIntee ◽  
Chris P. Schaller

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