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On-Line Pre- & Post-Laboratory Activities for General Chemistry. Presented by Dianne Meador and William H. Fink, Department of Chemistry, University of California, Davis, CA, 95616. Prelab Activities Theory Concepts interactively presented Procedures Shown with Stills & Videos

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on line pre post laboratory activities for general chemistry

On-LinePre- & Post-Laboratory Activities for General Chemistry

Presented by Dianne Meador and William H. Fink,

Department of Chemistry,

University of California, Davis, CA, 95616

on line activities
Prelab Activities

Theory

Concepts interactively presented

Procedures

Shown with Stills & Videos

Prelab Quiz

100% achievement required

Postlab Exercises

Data

Verify range

Calculations

Guide & Confirm

Questions

Multiple Choice

Essay

On-Line Activities
motivation improved educational experience in the laboratory
MotivationImproved educational experience in the laboratory
  • Familiarize students with equipment and chemistry.
  • Focus students’ attention to the principles underlying the chemistry.
  • Modernizing laboratories to increase student appeal.
objectives
Prelab Activities

Consistent preparation

Efficient use of time

Accountable

Postlab Exercises

Reinforce educational goals

Certify achievement of goals

Scoring student performance

Objectives
participants
Participants

Dean’s Office of Letters and Science, Mathematical and Physical Sciences

MediaWorks

Chemistry Department

show tell

Show & Tell

Site Features

Prelaboratory Presentation

Quizzes

Post-laboratory

slide7

2

1

3

4

trauma report

Trauma report

Technical Aspects

Educational Aspects

technical aspects
Good

Accessing site

MyUCDavis/Banner

Flash & Quicktime downloading

71% reported no problems

Using CD

Reducing Response time off campus

Low student usage

66% reported no problems

Bad

Early teething problems

System failure to recognize student

Quicktime download site change.

Browser diversity

Student Familiarity with the technology

Too Little

Too Much

Technical Aspects
educational aspects
Educational Aspects

Student Survey

  • Yes much
  • More yes than no
  • Somewhat
  • More no than yes
  • Not at all
  • NA
educational aspects12
Good

Prelab

Reported better understanding of

experiments compared to earlier courses.

safety issues.

Good compliance with prelab quizzes

Postlab

Students who were having difficulties with calculations were identified and given guidance.

Bad

Prelab

Equal preference for in-class vs. on-line prelab presentation.

Minimal improvement of independent lab performance

Increase course management demands on TAs

Postlab

Creativity of error by 800 students kept us busy.

Initial exercise design led to high student frustration level

Educational Aspects
future
Redesigned the post-laboratory exercises.

To include more feedback to student

To increase robustness

To tighten integration with lab course framework

Future