NPTEL Learning Analytics Tools Week 11 Assignment Answers 2024

1. Which of the following data can be collected using an eye tracker?

Eye fixations
Saccadic eye movements
Raising and lowering of the eyebrow
Raising and lowering of eyelids
Pupil dilation

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2. Which of the following feature(s) can be extracted from data collected using an eye tracker?

Areas of interest
Time to first fixate
Fixation sequence
Dwell time
Average fixation duration

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3. From the given table, long saccadic movement occurred between _________.

(0.2, 2.4) and (1.4, 2.4)
(2.6, 1.3) and (3.9, 1.3)
(2.7, 2.4) and (4.2, 2.4)
(5.8, 2.4) and (0.3, 1.3)

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4. From the given table, what could be the possible action performed by the user?

Watching a video.
Reading
Random watching,
Observing a point in a design

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5. Why are sensors used instead of human observers or self-report questionnaires to analyze learners’ behavior, as well as their cognitive and emotional states?

The data provided by the sensors are in real-time and not biased
Self-reporting of participants may not be true
The information from human observers may not be accurate
A high level of agreement (e.g., a high kappa score) is needed for reliability.

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6. What is affective computing? Choose the correct one from the below.

Recognizing basic emotions in human
Analyze basic human emotions and simulate them
Recognize, analyze and simulate basic emotions in human
Busy doing something

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7. What is a major challenge while collecting data from different sources?

Analyzing data from each channel
Combining and syncing information from different modes
Pre-processing the data from different sources
Getting consent from participants

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8. Why is affective computing needed in learning analytics?

Emotions are related to moods such as motivation, attitudes, interest.
Emotions play an important role in learning
To predict learner’s performance, emotions should be measured
Emotions are not related to learning

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9. Which of the following features can be obtained only from Eye Gaze data?

Action units
Fixation
Saccade
Number of session per week

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10. According to facial action coding systems described in iMotions blog, identify the best emotion that suits the given sequence of facial expressions and corresponding action units.