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Supplemental Learning in the Laboratory: An Innovative Approach for Evaluating Knowledge and Method Transfer.


ABSTRACT: The Multi-Rule Quality Control System (MRQCS) is a tool currently employed by the Centers for Disease Control and Prevention (CDC) to evaluate and compare laboratory performance. We have applied the MRQCS to a comparison of instructor and computer-led pre-laboratory lectures for a supplemental learning experiment. Students in general chemistry and analytical chemistry from both two- and four-year institutions performed two laboratory experiments as part of their normal laboratory curriculum. The first laboratory experiment was a foundational learning experiment in which all the students were introduced to Beer-Lambert's Law and spectrophotometric light absorbance measurements. The foundational learning experiment was instructor-led only, and participant performance was evaluated against a mean characterized value. The second laboratory experiment was a supplemental learning experiment in which students were asked to build upon the methodology they learned in the foundational learning experiment and apply it to a different analyte. The instruction type was varied randomly into two delivery modes, participants receiving either instructor-led or computer-led pre-laboratory instruction. The MRQCS was applied and determined that no statistical difference was found to exist in the QC (quality control) passing rates between the participants in the instructor-led instruction and the participants in the computer-led instruction. These findings demonstrate the successful application of the MRQCS to evaluate knowledge and technology transfer.

SUBMITTER: Carter MD 

PROVIDER: S-EPMC6094388 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Supplemental Learning in the Laboratory: An Innovative Approach for Evaluating Knowledge and Method Transfer.

Carter Melissa D MD   Pierce Sarah S SS   Dukes Albert D AD   Brown Rebecca H RH   Crow Brian S BS   Shaner Rebecca L RL   Heidari Leila L   Isenberg Samantha L SL   Perez Jonas W JW   Graham Leigh Ann LA   Thomas Jerry D JD   Johnson Rudolph C RC   Gerdon Aren E AE  

Journal of chemical education 20170710 8


The Multi-Rule Quality Control System (MRQCS) is a tool currently employed by the Centers for Disease Control and Prevention (CDC) to evaluate and compare laboratory performance. We have applied the MRQCS to a comparison of instructor and computer-led pre-laboratory lectures for a supplemental learning experiment. Students in general chemistry and analytical chemistry from both two- and four-year institutions performed two laboratory experiments as part of their normal laboratory curriculum. The  ...[more]

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