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Tutorial

Experiment 1

Experiment 2

Admin Panel

Wrong Subject ID

Subject ID

Task X

What is the label of the following account:

Spambot

Genuine

Unlabeled

Selected

Labeling panel

Tweets

Questionnaire

Please express your opinion about Tool-A:

		Extremely Likely	Quite Likely	Slightly Likely	Neither	Slightly Unlikely	Quite Unlikely	Extremely Unlikely
Perceived Usefulness	1. Using the tool would enable me to accomplish labeling tasks more quickly.
	2. Using the tool would improve my labeling performance.
	3. Using the tool would enhance my effectiveness in detecting spambots.
	4. Using the tool would make it easier to tag spambots.
	5. I would find the tool useful for labeling Twitter accounts.
Perceived Ease Of Use	6. Learning to operate the tool would be easy for me.
	7. I would find it easy to get the tool to do what I want it to do.
	8. My interaction with the tool would be clear and understandable.
	9. I would find the tool to be flexible to interact with.
	10. It would be easy for me to become skillful at using the tool.
	11. I would find the tool easy to use.

Please express your opinion about VASSL:

		Extremely Likely	Quite Likely	Slightly Likely	Neither	Slightly Unlikely	Quite Unlikely	Extremely Unlikely
Perceived Usefulness	12. Using the tool would enable me to accomplish labeling tasks more quickly.
	13. Using the tool would improve my labeling performance.
	14. Using the tool would enhance my effectiveness in detecting spambots.
	15. Using the tool would make it easier to tag spambots.
	16. I would find the tool useful for labeling Twitter accounts.
Perceived Ease Of Use	17. Learning to operate the tool would be easy for me.
	18. I would find it easy to get the tool to do what I want it to do.
	19. My interaction with the tool would be clear and understandable.
	20. I would find the tool to be flexible to interact with.
	21. It would be easy for me to become skillful at using the tool.
	22. I would find the tool easy to use.

23. what was your policy of labeling accounts as spambots?

24. What features/functionalities in VASSL helped you in implementing your policy?

25. List the most negative aspect(s) in VASSL:

26. List the most positive aspect(s) in VASSL:

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Task X

What is the label of the following account:

Please list as many reasons as possible to support your labeling decision

Task 1

Remaining Time: 4:55

Labeling panel

Tweets

Questionnaire

Please express your opinion about Tool-A:

Please express your opinion about VASSL:

Time

Task 1

Remaining Time: 4:55

General control panel

Labeling panel

Timeline controls

Dimensionality reduction controls

Accounts activity controls

Topics view controls

Features explorer controls