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IIBA CBDA Exam - Topic 2 Question 43 Discussion

Actual exam question for IIBA's CBDA exam
Question #: 43
Topic #: 2
[All CBDA Questions]

A business analyst constructs a model they would like to review with key business stakeholders but decides to review the model first with the data scientist who has performed the data analysis. The data scientist provides some suggestions on how to reduce the complexity in the model. One suggestion is to use color to group objects needing to be associated. The data scientist is

encouraging using which Gestalt Principle of Perception with regards to data visualization?

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Suggested Answer: C

The data scientist is encouraging using the Gestalt Principle of Similarity with regards to data visualization. This principle states that the brain groups objects together that are similar in appearance, such as color, shape, size, or orientation. By using color to group objects needing to be associated, the data scientist is suggesting a way to reduce the complexity in the model and make it easier for the viewers to perceive the patterns and relationships among the data12 Reference: 1: Gestalt Principles For Data Visualization - Topcoder 2: Introduction to Data Visualization: Gestalt Principles


by Cherri at Nov 21, 2025, 12:15 PM

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Deangelo
1 day ago
But what about B) Proximity? It’s also about how close things are.
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Rosamond
7 days ago
I agree! Using color definitely shows how things relate.
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Kanisha
25 days ago
I think the answer is C) Similarity. Color helps group similar items.
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Marshall
1 month ago
Wow, I didn't realize color could change perception that much!
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Helga
1 month ago
Totally agree with similarity! Makes the data easier to digest.
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Melvin
1 month ago
Haha, the data scientist is really pushing the Gestalt principles here. C is the right answer for sure.
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Brice
2 months ago
Hmm, I was thinking Proximity, but Similarity makes more sense in this context.
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Abel
2 months ago
I thought Enclosure was about grouping items within a boundary, but I guess color could also relate to that. I'm confused about which one fits best!
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Laila
2 months ago
This reminds me of a practice question where we discussed how color can help in visualizing data. I feel like it might be Connection, but I'm leaning towards Similarity too.
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Mary
2 months ago
I'm not entirely sure, but I remember something about Proximity being related to how close objects are to each other. Could that apply here?
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Stephanie
2 months ago
I think the data scientist is suggesting the principle of Similarity since using color to group objects seems to align with that concept.
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Rebeca
2 months ago
I'm feeling good about this one. Grouping by color is a classic example of the Similarity principle in data visualization. The data scientist is encouraging the use of this Gestalt Principle to simplify the model.
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Darci
3 months ago
The Gestalt Principles can be tricky, but I think the key here is that color is being used to visually associate the objects. That points to the Principle of Similarity as the best answer.
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Francoise
3 months ago
Okay, let me walk through this step-by-step. The data scientist is suggesting using color to group related objects. That sounds like the Gestalt Principle of Similarity to me, where we perceive things as belonging together if they share visual characteristics. I'm pretty confident that's the right answer.
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Kimbery
3 months ago
I think it's more about proximity, though. Color isn't the only factor.
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Lore
3 months ago
I agree, using color to group similar objects is a classic example of the Similarity principle.
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Reita
3 months ago
It's definitely about similarity! Colors help group similar items.
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Corazon
4 months ago
Definitely C. Similarity is the key to grouping objects visually.
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Roxane
4 months ago
Wait, are we sure it's not about connection? Color can be misleading.
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Trina
4 months ago
Hmm, I'm not sure about this one. I know the Gestalt principles have to do with how we perceive visual patterns, but I'm a little fuzzy on the details. I'll have to think this through carefully.
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Vanna
4 months ago
I think the answer is C. Similarity. Grouping objects by color is a way to visually show that they are similar or related.
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