Four (4) approaches to expert analysis:1. Cognitive Walkthrough. Walkthroughs require a detailed review of a sequence of actions. Thesequence of actions refers to the steps that an interface will require a user to perform in order toaccomplish some known task. To do a walkthrough, you need four things:a) A specification or prototype of the system. It doesn't have to be complete, but it should be fairlydetailed. Details such as the location and wording for a menu can make a big difference.b) A description of the task the user is to perform on the system. This should be a representativetask that most users will want to do.c) A complete, written list of the actions needed to complete the task with the proposed system.d) An indication of who the users are and what kind of experience and knowledge the evaluatorscan assume about them. 1. Evaluate your Mini Snack Vending Machine.You need to draw (universal design) yourown machine and satisfy the four things inconducting a cognitive walkthrough.Thismachine can be used by all – normal andphysically challenged individuals.

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1. Evaluate your Mini Snack Vending Machine. You need to draw (universal design) your own machine and satisfy the four things in conducting a cognitive walkthrough.This machine can be used by all – normal and physically challenged individuals.

1. Evaluate your Mini Snack Vending Machine. You need to draw (universal design) your own machine and satisfy the four things in conducting a cognitive walkthrough.This machine can be used by all – normal and physically challenged individuals.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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