You are a member of a team that has been asked to evaluate a prototype smartphone-based application for calculating drug dosages. Based on what you know about usability testing, which kind of test (or tests) might you do and why?

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The Answer is As a member of the team tasked with evaluating a prototype smartphone-based application for calculating drug dosages, there are several types of usability tests that we might consider conducting.

First, we might conduct a cognitive walkthrough to assess the app's usability from a user's perspective. This would involve walking through the app step by step and identifying any potential usability issues or points of confusion. This type of test would help us understand how easy or difficult it is for users to navigate the app and perform the necessary tasks.

We might also consider conducting a heuristic evaluation, where usability experts would review the app against a set of established usability principles or heuristics. This would help us identify any potential design flaws or violations of best practices that could impact the app's usability.

Additionally, we might conduct user testing, where we observe and gather feedback from actual users as they interact with the app. This would provide valuable insights into how real users experience the app and where they encounter difficulties or frustrations.

Overall, by conducting a combination of these tests, we can gain a comprehensive understanding of the app's usability and identify any areas for improvement before it is released to the public.

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