Multiple Dropdown

Overview of the Multiple Dropdown labeling tool in Ango Hub

The multiple dropdown labeling tool allows you to ask labelers close-ended questions with multiple right answers.

The Multiple Dropdown Labeling Tool in Ango Hub

How to add a Multiple Dropdown tool to your project

From the project’s Settings tab, enter the Label Set section.

Click on Add Category. From the list that appears, click on Multiple Dropdown.

A new row will appear named Single Dropdown. Click on it to expand it.

Give your single dropdown tool a title and description. From the Options text box, you can enter the answers. Press Enter after entering each one.

Enable the Required toggle if you want to force labelers to answer it. When the toggle is disabled, labelers will be able to save and move to the next asset without answering this question.

If you would like to ask labelers further questions, for example, if you want to show a Text tool when labelers select a particular answer, click on Add Classification and add a further question. More on nested questions here.

Differences between Checkbox and Multiple Dropdown

The tool is functionally identical to the Checkbox tool, with the main difference being visual.

The major benefit of the checkbox tool over the dropdown tool is that it can be answered by a labeler with a fewer amount of clicks, instead of the having to first open the dropdown to answer. The downside of checkbox is that it cannot easily display large numbers of items.

When the number of possible answers is limited, we recommend choosing the checkbox tool. For questions with a significant amount of more answers, the dropdown tool is preferable.

Differences between the Single and Multiple Dropdown tools

In single dropdowns, labelers can only select one answer. In multiple dropdowns, labelers can select more than one.

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