To create a functional model of the product.

To evaluate the product's performance and functionality.

To demonstrate the product's features and benefits to potential customers.

To obtain feedback from users and stakeholders.

Physical prototype

Virtual prototype

Analytical prototype

Breadboard prototype

They are less expensive to create than physical prototypes.

They allow for rapid iteration and design changes.

They provide a more accurate representation of the final product.

They are easier to test and evaluate.

To verify that the product meets the design requirements.

To identify and correct any defects or errors in the product.

To ensure that the product is safe and reliable.

To evaluate the product's performance and functionality.

Functional testing

Performance testing

Reliability testing

User testing

To assess the product's speed, efficiency, and accuracy.

To determine the product's durability and lifespan.

To evaluate the product's safety and reliability.

To identify any potential hazards or risks associated with the product.

Accelerated life testing

Environmental stress screening

Failure mode and effects analysis

Statistical process control

To obtain feedback on the product's usability and user experience.

To evaluate the product's performance and functionality under real-world conditions.

To identify any potential hazards or risks associated with the product.

To determine the product's durability and lifespan.

Surveys

Interviews

Focus groups

Observation

To evaluate the product's design and identify potential issues.

To obtain feedback from stakeholders and experts on the product's design.

To assess the product's compliance with regulatory requirements.

To verify that the product meets the design requirements.

Preliminary design review

Critical design review

System design review

Subsystem design review

To identify potential failure modes and their effects on the product's performance.

To assess the risk associated with each potential failure mode.

To develop strategies to mitigate or eliminate potential failure modes.

To verify that the product meets the design requirements.

Fault tree analysis

Event tree analysis

Risk matrix

Monte Carlo simulation

To evaluate the product's ease of use and user-friendliness.

To identify potential usability issues and pain points.

To obtain feedback from users on the product's design and functionality.

To assess the product's compliance with regulatory requirements.

Think-aloud protocol

Eye-tracking

User interviews

Surveys