Merged attributes

Introduction

Merged attributes combine similar attributes into a single display row, making concepts easier to read. Merging is purely visual, it does not affect how the design works or how utilities are estimated.

Examples

Let’s look at two examples to see when and how merged attributes can be helpful.

Example 1: Combining price attributes for different modes

When nested attributes are used, some attributes may appear blank because they don't apply to certain concepts. For example, a transportation exercise might include two cost-related attributes:

Attributes Levels
Subway/bus price $2.90
  $3.10
  $3.50
Rideshare price $10
  $15
  $20

Only one applies in each concept, but both describe the same kind of information. Merging them into a single row labeled Price displays the applicable value in each concept without leaving a blank for the unused attribute.

A CBC task with the merged attributes.

Example 2: Simplifying similar yes/no features

A printer exercise might include several binary attributes:

Attributes Levels
Brand Canon, HP
Cloud printing Yes, No
Touch screen Yes, No
Double-sided printing Yes, No
Quiet mode Yes, No
Price $150, $200, $250

As the number of attributes grows, the vertical space in each concept increases. To condense the view, merge Cloud printing, Touch screen, Double-sided printing, and Quiet mode into a single row labeled Features.

To set this up, edit the levels for each of the four attributes — change Yes to the attribute name (for example, Touch screen) and change No to blank. Then create a group labeled Features including all four attributes. Each concept will show a single Features row listing only the applicable features.

A CBC with merged attributes.

Creating merged groups

  1. Input all attributes and levels.
  2. Navigate to the exercise's settings area.
  3. Click Manage next to Merged attributes.
  4. Click + Group.
  5. Select the attributes to combine.
  6. Enter a Group label (for example, Features or Price).
  7. Choose where to display the group using Show group in place of.
  8. Select a formatting option: Separate lines or Bulleted list.

Settings

Show group in place of

When merging two or more attributes, choose which attribute's position the group should occupy in the concept.
If the merged attributes are consecutive, position doesn't matter, they'll appear in the same location either way. If they're non-consecutive, select the attribute whose placement best matches your intended layout.

For example, given this attribute order:

  • Mode of transportation
  • Pick-up frequency
  • Travel time
  • Subway/bus price
  • Congestion fee
  • Rideshare price

To display the merged Price group at the bottom, select Rideshare price under Show group in place of.

Formatting

  • Separate lines: Each merged attribute appears on its own line under the group label.
  • Bulleted list: All merged attributes appear on one line, separated by bullets.