Hierarchical Task Analysis

Below is the textual view of the hierarchical task analysis (HTA) about how to make a cup of tea:

0. In oreder to make a cup of tea
    1. Boil water
        1.1 Fill kettle
        1.2 Put kettle on stove
        1.3 Turn on
        1.4 Wait for kettle to boil
        1.5 Turn off gas
    2. Empty pot
    3. Make pot
        3.1 Warm pot
        3.2 Put tea leaves in pot
        3.3 Pour in boiling water
    4. Wait 4 or 5 minutes
    5. Pour tea
        5.1 Put milk in cup
        5.2 Fill cup with tea
        5.3 Do sugar
             5.3.1 Ask guest about sugar
             5.3.2 Add sugar to taste
Plan 0:
    Do 1.
    At the same time, If the pot is full 2
    Then 3. - 4.
    After 4/5 minutes do 5.
Plan 1:
    1.1. - 1.2. - 1.3. - 1.4.
    When kettle boils 1.5.
Plan 3:
    3.1. - 3.2. -3.3.
Plan 5:
    5.1. - 5.2.
    If cup is empty 5.1.
    Else for each guest 5.3.
Plan 5.3:
    5.3.1 - If wanted 5.3.2.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: