The Extension The Extension of SCORMof SCORM

Reference to Reference to (1)SCORM1.3(1)SCORM1.3 教材製作 教材製作 << 胡正亨胡正亨 >> 資策會數位學習技術中心資策會數位學習技術中心(2)Technical Evolution of SCORM <Daniel R. Rehak> (2)Technical Evolution of SCORM <Daniel R. Rehak> Carnegie Mellon Learning Systems Architecture LabCarnegie Mellon Learning Systems Architecture Lab

Reporter : Reporter : 游斯涵 游斯涵 2003/11/242003/11/24

The future of The future of SCORMSCORM

SCORM1.3 and BeyondSCORM1.3 and Beyond• The framework of SCORM 1.3 is for

planning.• SCORM2.x is a different beast.• There is no plan for SCORM1.3+• There is no plan for SCORM2.x

ADL ArchitectureADL Architecture

SCORMAPI

LocalContent

Repository

RemoteContent

Repositories

SCORMContent

Packages

Browser(Presentation)

GeneralizedLearning Management

System Model

Selection

Launch

SCORMTracking

Data

SCORMContent

(SCOs & Assets)

SequencingService

Testing/AssessmentService

Content ManagementService

Course AdministrationService

Learner ProfilesService Tracking

Service

DeliveryService

APIAdapter

課程管理者

測試管理者

學習紀錄

學習紀錄資料

教材內容管理

近端教材經過包

裝

傳送

API 轉 換

學習者規劃

鏈結服務

ADL Delivery ArchitectureADL Delivery Architecture

SCORM System ModelSCORM System ModelD

eliv

ery

Models

Deliv

ery

Stan

dards

DeliverySystem

ContentStandards

EnterpriseStandards

ContentModels

EnterpriseSystems

User

In

terface

In

terfa

ce

Stan

dards

SCORM 1.2 System ModelSCORM 1.2 System Model

SCORM 1.3 System ModelSCORM 1.3 System Model

SCORM 1.3 with SCORM 1.3 with AssessmentsAssessments

SCORM 1.x+ System ModelSCORM 1.x+ System Model

SCORM Services ModelSCORM Services ModelD

eliv

ery

Stan

dards

DeliveryBehaviors

ContentStandards

EnterpriseStandards

In

terfa

ce

Stan

dards

Data M

odels

Enterprise Behaviors

Content Behviors

Con

ten

t D

eliv

ery

Beh

avio

rs

UI B

eh

avio

rs

Data Models

Data M

odels

Data ModelsBehavior Integration Behavior Integration

Beh

avio

rs I

nteg

ratio

nB

eh

avio

r I

nteg

ratio

n Data M

odels

Data Models

Data Models

Data M

odels

SCORM Services SCORM Services ArchitectureArchitecture

SequencingSequencing

SequencingSequencing

• A SCO may not itself launch other SCOs. ……………………….SCORM CAM

• Chunk Story

SCO 2

SCO 1

SCO 3

SCO 2

SCO 1

SCO 3

The sequencing definition modelThe sequencing definition model

Sequencing Rules

Randomization

Selection

Control mode

ObjectiveRullup rules

Delivery control

Limit condition

Control ModeControl Mode

Activity 1 Activity 2 Activity 3 Activity 4

Parent Activity

Control mode

Activity 1 Activity 2 Activity 3 Activity 4

Parent Activity

Activity 1 Activity 2 Activity 3 Activity 4

Parent Activity

Sequencing RulesSequencing RulesSequencing Rules

• Precondition Actions– apply when traversing the activity tree to select an

activity for delivery.

• Postcondition Actions– apply when an activity attempt terminates.

• Exit Actions– apply after a descendant activity’s attempt termi

nates.

Sequencing RulesSequencing Rules

IF(not)

Conditions

Activity ProgressKnown

Attempted

Attempt LimitExceeded

Time Limit Exceeded

Outside AvailableTime Range

Completed

Objective MeasureLess Than

Objective MeasureGreater Than

Objective MeasureKnown

Objective StatusKnown

Satisfied

PreconditionActions

Ignore (default)

Stop ForwardTraversal

Hidden From Choice

Disabled

Skip

Then

Always (default)

PostconditionActions

Continue

Retry All

Retry

Exit All

Exit Parent

Previous

Ignore (default)

Exit Actions

Ignore (default)

Exit

What Sequencing Rules will What Sequencing Rules will do?do?

Rollup RulesRollup RulesRollup rules

Rollup RulesRollup Rules• If the set of children

is:– Satisfied– Completed– Attempted– Attempted Limit

Exceed– Time Limit Exceed– Outside Available

Time Range

• Then the Parent is– Satisfied– Not Satisfied– Completed– Incomplete

Rollup RulesRollup Rules

Minimum Set

Number of ChildActivities (must be > 0)

Minimum % of ChildActivities (between (0.0 -

1.0)

All Any

Child Activity Set (qualifiers)

None At Least Count

At Least Percent

ObjectivesObjectives Selection

Objective

AA

AAA AAB AAC

AB

ABA ABB ABC

A

Objective 1

Objective 2 Objective 3

Objective 4

Objective 5

Objective 6 Objective 7 Objective 8

Objective 9

Objective 10

• Context :依前測的結果決定所需閱讀的內容

• Rules :

– Pretest Write status to objective

– Content Read status to objective

– Content If [status] then skip

ObjectiveObjective

Randomization ControlsRandomization Controls

Randomization

AA

AAA AAB AAC BBA BBB BBC

Randomization: Timing: Once Randomize: True

AA

AAA AAB AAC BBA BBB BBC

Randomization: Timing: Never

Illustration 1

Illustration 2 (default case)

12 34 5 6

Limit ConditionLimit ConditionLimit condition

Suspend Resume Suspend Resume Exit Suspend Resume

1 2 3 4 5

1S 1E 2S 2E 3S 3E 4S 4E 5E 5E

AttemptExperiencedDuration = 1 +2 +3 or 4 + 5AttemptAbsoluteDuration = 3E - 1S or 5E - 4SActivityExperiencedDuration = 1+ 2 + 3 +4 + 5 ActivityAbsoluteDuration = (3E - 1S) + (5E - 4S)AttemptCount = 2