# Technological Design Model The process of using the

- Slides: 12

Technological Design Model The process of using the model

Technological Design Model In the previous lesson you were introduced to the “Technological Design Model (TDM)”. In this lesson you will learn more about the 7 components that make up the model. Before we begin take a look at the TDM on the next slide and review it.

Technological Design Model 1. Defining the problem 7. Present the results 6. Evaluate the solution Technology Design Loop 5. Construct the final solution 2. Generate ideas 3. Test the designs 4. Selecting a final solution

Technological Design Model There are 7 components in the TDM: 1. Define the problem 2. Generate ideas 3. Test the designs 4. Select a final solution 5. Construct the final solution 6. Evaluate the solution 7. Present the results

Technological Design Model 1. Define the Problem The design process generally begins with identifying and defining a problem — there is some need to be met or some want to be fulfilled, and the designer must understand exactly what it is. Problem: “My Dad snores so loud the house shakes … no one can get any sleep!” • What must my solution do? • What resources are available to me?

2. Generate Ideas After investigating and researching the problem, the designer generates a number of ideas for a solution. It is particularly helpful for several students to brainstorm ideas, you will generally work in a small group at this stage.

3. Test the Designs The selected design is modeled and tested, and then reevaluated. If necessary, the original designed is dropped another is tried. Eventually, through a series of iterations, repeating the various steps of the process as necessary, a final design is chosen.

4. Select a Final Solution Considering the original criteria and ideas, along with various constraints, one design — or, in some cases, more than one — is chosen as the most promising. Generate alternatives and consider limitations.

5. Construct the Final solution Construct the item using a materials lists — a shopping list of items that are needed to assemble your product.

6. Evaluate the Solution One of the many lessons you will learn from making the item is that there are many possible solutions to a technological problem, and that while some answers are clearly wrong — they don’t work, or they work poorly — there is no such thing as “the” correct answer.

7. Present the Results Share your results with others and demonstrate how your item works or its purpose. You may have to make modifications as necessary and evaluate what you have done and try it again.

Technological Design Model Summary • • • The TDM helps develop problem-solving skills The 7 components of the TDM were defined and discussed Students are given the opportunity to use and maintain technological products correctly with an emphasis on learning how to learn Students are taught how to learn about products on their own by reading instructions, or searching for information on the Internet Students build confidence and familiarity with technology Laboratory and classroom experiences will prepare students to deal intelligently with current and future technological products

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