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Brainstorming is a group elicitation technique where a problem or topic is presented to the group, and participants are asked to produce as many ideas to solve/address the topic as possible1. The purpose of brainstorming is to generate creative and diverse solutions without any constraints or judgments. Therefore, the following statements are true regarding a brainstorming session during requirements elicitation:

• All ideas should be visibly recorded. This helps to keep track of the ideas, avoid repetition, and stimulate further thinking2.
• The number of ideas should not be limited. This encourages participants to think outside the box and explore different possibilities2.
• All ideas should be shared without any discussion, criticism, or evaluation. This creates a safe and supportive environment where participants can freely express their thoughts without fear of rejection or ridicule2.

The statement that is not true regarding a brainstorming session during requirements elicitation is:

• The ideas should be generated with a cost or time estimate. This contradicts the principle of brainstorming, which is to avoid any constraints or assumptions that may limit the creativity and diversity of the ideas2. Cost and time estimates are not relevant at this stage of the elicitation process, as they may bias or discourage participants from suggesting certain ideas. Cost and time estimates can be applied later, after the brainstorming session, when the ideas are prioritized and evaluated3. References:
• 1: CBAP/CCBA Certified Business Analysis Study Guide, 2nd Edition, by Susan Weese and Terri Wagner, Wiley, 2011, page 140.
• 2: Top 10 Most Common Requirements Elicitation Techniques, section Brainstorming, page 2.
• 3: An Overview of Requirements Elicitation, section Brainstorming, page 4.

According to the BABOK® Guide, one of the goals of business analysis is to enable successful change that delivers value for stakeholders. Value can be defined as the worth, importance, or usefulness of something to a stakeholder within a context1. One of the ways to deliver value is to improve the experience of the customer, which is the external stakeholder who consumes or benefits from the products or services provided by the enterprise2. Improving the purchasing process is an example of an improvement opportunity that aims to enhance the customer experience, as it can make it easier, faster, or more convenient for the customer to buy the products or services they need or want3. References: 1: BABOK® Guide, version 3, section 1.2, page 52: BABOK® Guide, version 3, section 2.2.2, page 163: BABOK® Guide, version 3, section 6.1.4, page 184.

The modeling format that will show the requirements for both systems side by side when performing a gap analysis between two existing systems to combine into a single system or run just one system is a matrix. A matrix is a table that shows the relationships, dependencies, comparisons, or mappings between two or more sets of data or information. A matrix can help to visualize and analyze the similarities and differences between two systems.

The other options are incorrect because:

• Option A is incorrect because an activity flow is not a modeling format that will show the requirements for both systems side by side, but a modeling format that will show the sequence and conditions of activities within a system or solution. An activity flow is a graphical representation of the inputs, outputs, triggers, and outcomes of activities within a system or solution.
• Option C is incorrect because a glossary is not a modeling format that will show the requirements for both systems side by side, but a modeling format that will show the definitions and descriptions of terms or concepts within a system or solution. A glossary is a repository that contains the meanings, attributes, formats, and relationships of terms or concepts within a system or solution.
• Option D is incorrect because a bubble chart is not a modeling format that will show the requirements for both systems side by side, but a modeling format that will show the distribution and correlation of data points within a system or solution. A bubble chart is a graphical representation of data points that vary in size and position according to their values.

References:

• BABOK Guide v3, section 10.16: CRUD Matrix
• CCBA Exam Questions, question 25