Hi
Could you do a synthesis activity....where teams of 2-3 students do
experiment....get results
Then the TBL activity might be 2-3 teams discussing and combining their
results to come up with a team answer? Maybe asking team to hypothesize
about the results if we a a parameter
JIm
--
Jim Sibley
Director
Centre for Instructional Support
Faculty of Applied Science
University of British Columbia
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On 12-09-17 9:35 AM, "J.Aires de Sousa" <[log in to unmask]> wrote:
>Dear TBLers
>
>We are implementing TBL in various Chemistry undergraduate courses. A
>key issue here is the integration of lab works. We understand lab
>sessions can be great application activities. At the same time, the
>process urges to re-frame the real goal of lab sessions (demonstration
>of "natural laws", learning activities, training of lab skills,...?).
>And the organization of sessions must be completely reshaped.
>
>In one case, we adapted our traditional lab works to TBL applications,
>using essentially the same material and reagents. For example, one
>session was about acid-basis titrations of solutions. Before, the
>students used to follow a recipe. Now, they don't know the concentration
>of one solution, and teams have to find it using the titrations. The
>evaluation of the team is based on the result -- how close it is to the
>real concentration.
>
>A problem we face on reshaping lab sessions as TBL applications is about
>creating lab activities for teams of 6-8 students. Students
>traditionally work in groups of 2-3, because no more than that can
>perform the same task simultaneously! To overcome it, we could divide
>tasks by team members, but that would loose the "team driving force" of
>TBL... At the same time we want that all students are trained on all
>techniques... In the above-mentioned case, each team was divided in two:
>each sub-team had to validate the results of the other, and the whole
>team had to arrive at a final team answer for the concentration.
>
>In some courses (e.g., organic synthesis) we very much emphasize the
>training of individual lab skills. A proposal for TBLing lab sessions is
>that each student (or pair of students) is assigned the task of
>performing the synthesis of the same product, and teams have to deliver
>the maximum possible amount of bulk product (resulting from the
>individual contributions). The team will be evaluated on the basis of
>the amount and purity of the product they deliver. In this way, team
>members would be encouraged to cooperate to achieve the maximum possible
>yield and purity. During the process, and at the end, the whole team
>would have to make decisions about which contributed products are
>excluded if their purity is not good enough.
>
>I'd be grateful if you could comment on these issues, come up with new
>ideas for TBLing lab sessions, and send me examples of implementing lab
>works as TBL activities.
>
>Joao
>
>--
>Joao Aires de Sousa
>Departamento de Quimica, Faculdade de Ciencias e Tecnologia,
>Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
>Tel: (+351) 21 2948300 x10907 Fax: (+351) 21 2948550
>Email: [log in to unmask]
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