Podcasting and Screencasting Lectures as a Low Risk Strategy to the Production of

Blended and Fully Online Classes

Jean-Claude Bradley

E-Learning Coordinator College of Arts and Sciences

Drexel University

April 28, 2005

Content

AssessmentInteraction

Discussion Board

Components of E-Learning

Chat

E-mail

Surveys

Tests

Quizzes

MultimediaImages

Text

Lecture Recording

MetricsPeer review

Risk Minimization inAn E-Learning Migration Strategy

chalkboard

overheads

laptop

Tablet PC

recording

VoluntaryOnline quizzes

Tests/exams

Student feedback Student behavior

procrastination

OFFLINE

laptop

HYBRID FULLY ONLINE

Paper quizzes/tests

No quizzes

LectureArchive

PodcastArchiveC

ON

TE

NT

AS

SES

SME

NT

Email or survey

Lecture Recording Process

Start Camtasia Recording

Teach on laptop or tablet PC as usual

Stop Camtasia Recording

Convert avi to Flash or Real Media

Upload to Server (screencast)

Modularize Podcast

CORE

OPTIONAL

Podcasting: the automatic distribution of audio files to computers or portable audio devices through a subscription system

Screencasting: the delivery of audio and screen capture recordings via download or streaming media links

CHEM 24189 students

CHEM 24364 students

Feedburner stats

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CHEM243

CHEM241

Daily RSS Subscriptions from start of term

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0 10 20 30 40

%subscribed

%attend

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%subscribed

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CHEM 24189 students

CHEM 24364 students

A Constructivist Experiment in Progress

Feedback-Intensive Teaching Strategy using WebCT

Voluntary Quizzes

Test

Automatic Make-up

In-class review based on histograms of test results

Procrastination (mean days)

6.05.04.03.02.01.00.0

Fin

al G

rade

100

90

80

70

60

50

40

30

Correlation of procrastination with performance

One day procrastinated = 5% drop in score

Classes currently Podcast and Screencast at Drexel

Drexel CoAS faculty currently using Screencasting

•John DiNardo (Physics)

•Jane Huggins (Biology)

•Scott Warnock (English)

•Fred Siegel (English)

•Eva Thury (English)

Conclusions

•Migration to online education can be done stepwise with minimal risk

•Some modalities (like screen capturing) require little investment in time and yield a great benefit (high leverage)

http://drexel-coas-elearning.blogspot.com

http://drexel-coas-talks-mp3-podcast.blogspot.com