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Approaches to problem - solving methodology data analysis (Purpose of…
Approaches to problem - solving methodology data analysis
Purpose of graphic solution p.42-51
Graphic solution are pictorial diagrams that show inter dependencies between variables.
Types of graphic solutions:
Hierarchies - Are a type of chart that usually depict the relationship and hierarchy between roles
Animations - Combines a series of image to create a sequence of moving images.
Images - May include illustrations and photos
Animations - Combines a series of image to create a sequence of moving images.
Diagrams - Represents data or information in a visually clear, Accessible way using formats and conventions such as colours, symbols, points, lines shapes and explanatory drawings
Maps - represents and area of land or sea as a diagram, etc
Flowcharts - Graphically represent the steps In a process or system
Timelines - shows events, images or data in chronological order
Charts - Represents detailed in visual form. The most common graph used
Info graphics - An graphic solution that shows data and information using different elemtents
Design principles of graphic solution p.52 - 55
Design principles are guidelines to help you enhance the appearance and functionality of solutions.
Functionality:
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Alignment - Refers to arranging text, images and objects vertically or horizontally in either straight lines or correct relative positions
Repetition - refers to the use of the same or similar visual elements repeatedly within a graphic solution
Accessibility - A user should be able to access meaning and relevant information form a graphic solution efficiently and easily Appearance
Contrast - refers to the visual difference in colour or tone between objects (Both text and image) in a graphic solution
Usability - All graphic solutions that represent data need to be easy to use, flexible and robust
Space - Refer to the areas around and between object - text and images
Balance - A solution will appear harmonious, and this create visual appeal.
Manipulating data to create solutions p.70 - 73
the development stage of a problem-solving methodology involves using appropriate software to create the solution. This is the stage at which the data (In this case, numbers, text and audio data from interviews) becomes information
types of tests p.68 - 69
It is important to check that what you are trying to produce meets the specified need and fulfills the specified purpose.
Presentation testing - the design phase of the problem-solving methodology a decision must be made on the appropriate format of the solution
Functionality testing - A solution relates to its ability to perform tasks and functions
Reliability - digital revolution has opened up limitless ways in which information can be communicated
Relevance testing - How applicable a solution is to its intended purpose and its intended audience
Completeness testing - a solution is considered incomplete if the intended user has to find additional information.
Communication of message - all of the required information presented in a solution must be clear and obvious
Validation versus testing - is involved with input, while testing is concerned with the solution itself, or output.
validation p.70
To make the solution accurate and reasonable, all data that is used should be validated. That means that the original data should be manually checked for illegal data types.
Validation is actually used when entering data during the development stage
Manual validation occurs when the data entered are checked for accuracy by a person rather than by a machine
formats and conventions p.56 - 65
In addition to the basic design principles you should follow when creating your graphic solution.
Shapes - Using shapes in your solution can help to create patterns, contrast, hierarchies and backgrounds
Lines and arrows - is a versatile visual element that uses only length and width.
Text styles - Are essentially talking about fonts.
Sources of data and legend - if you are using data in your graphic solution you need to identify the source in an appropriate way.
Titles - Adding titles to a document makes it a dominant element.
Colours and contrasts - should be used so that it makes the information clear, readable and attractive.
design tools p. 66 - 67
design tools are used to represent the functionality and appearance of graphic solutions; normally, the solution us first sketched on paper.
IPO charts
AN IPO chart is used during the design stage to clearly identify the solution's input and output, and the processing steps required to transform the data info information.
Annotated diagrams and mock ups - Annotated diagrams provide a visual depiction of how graphic solution should look.
Approaches to problem solving P.31 - 41
Spreadsheets can be used for many purposes that involve calculations
The four stages of problem solving
Design - Decide what needs to be done to find solution
Development - Build the solution
Analysis - Understand the problem
Evaluation - determine if the solution solved the original problem