Methodology I: Task Analysis - Foundations for Designing User-Centered Systems - page 309

Table 11.2 An example hierarchical task analysis for making an online purchase
0 Perform online purchase
1. Login
1.1. Select login screen
1.2. Enter ID
1.3. Enter password
2. Choose object
2.1. Browse listing
2.2. Select item
3. Pay
3.1. Choose pay screen
3.2. Select payment method
3.3. Enter payment method details
Plan 0: 1, then 2 as many times as needed, then 3

1.

To download an email file,
do steps 1.1, 1.2, 1.3, and 1.4 Download

email file

1 1 1 1

Bring up
browser

Scroll
to email

Download
file

Login to
Webmail

1.4.2 1.4.3

1.2.3. 1.4.1.

1.2.1. 1.2.2.

Select
download
location

Enter
password

Move
mouse

Click
on file

Enter
name

Type
"Tab"

1.2.1.1

Move
mouse

Click
mouse

Type
name

Move
hand

Hand to
mouse

Fig. 11.2 Hierarchical task analysis of downloading an email attachment. (Further subtasks
shown as three small boxes.)