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2008 Obama Presidential Campaign
This was one of Obama's first released commercials when he decided to run for president.  It attempts to sell his idea of family values and gives a very brief biographical background. (01:00)
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5.7 Vibrating air column: reflection at the end of an air column

When a sound wave reaches the end of an air column, it is clear that it will be reflected if the tube end is closed. You only have to imagine yourself standing some distance, let's say 50 metres, away from a flat wall. If you shout, you will hear an echo – the reflection of the sound wave you projected.

There is one difference, though, between the reflection of a sound wave and the reflection of the wave on a string that you met previously. When a sound wave is reflected from a closed
Author(s): The Open University

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Introduction to microeconomics
This is a module framework. It can be viewed online or downloaded as a zip file. As taught Semester 1 2009/2010. There are no pre-requisites to taking this module and in particular there is no assumption of any prior knowledge of economics. For those who have taken A-level economics or any other version of economics some of the module content will appear familiar to you. However, the methods of analysis and the approach to teaching will quite probably be very different to anything experienced
Author(s): Morgan Wyn Dr

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Except for third party materials (materials owned by someone other than The University of Nottingham) and where otherwise indicated, the copyright in the content provided in this resource is owned by

Ben George - BSc Computer Science
Comp Soc President Ben tells us why he chose Nottingham.
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9.1.2 Limits

Second, decide the limits and the variations to the user trip or trips that you are going to take. It is usually a good idea to extend the trip into activities that both precede and succeed the immediate use of the product you are investigating since this may lead you into devising an improved, more integrated overall solution. Similarly, variations on a basic trip – different times of day, different weather conditions, different requirements – will probably bring to light a wider range o
Author(s): The Open University

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3 A comparison of attitudes

It is, indeed, instructive to compare the attitude of the people to imperialism in both these nation states during the final decade of the nineteenth century. Clearly, although there are surface similarities in the situation, the historical tradition of both countries respecting empire in fact determined to a great extent responses to imperialism. It was possible to speak of imperialism and the empire with pride in Britain. The United States denied its empire and its imperial ambitions. When
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9 Notes to help you complete your assessment

To complete your assessment portfolio you must include a contents page indicating how your reflective commentary in Part A and your evidence in Part B are related. An example of a suitable format for the contents page is in Figure 1 below.

Figure 1  (PDF, 1 page, 0.1MB)

Although the requirements of Parts A and B are listed sep
Author(s): The Open University

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5.2.1 When to look at the question

At what stage do you look at the title of your next assignment?

Activity 8

Note down in your Learning Journal what you think are the advantages and disadvantages of looking at the title before and after starting to w
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Recognizing Chemical Reactions (Chinese Voice Over)
What do all chemical reactions have in common? Most students describe a chemical reaction as an event where an explosion, color change, or a gas is formed. As a prerequisite for this lesson students need only be acquainted with the particulate nature of matter. The main learning objective is the recognition that all chemical reactions create new molecules and that in a chemical reaction the original atoms get rearranged, bonding together in different ways. Overall, the lesson will take about 45-
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Introduction

William Wilberforce, the politician and religious writer, was instrumental in the abolition of slavery in Britain in 1807. This unit explores Wilberforce’s career and writings and assesses their historical significance. In particular it examines the contribution that Evangelicalism, the religious tradition to which Wilberforce belonged, made in the transitions between the Enlightenment and Romanticism. Throughout it relates Wilberforce’s career and writings to wider social and cultural de
Author(s): The Open University

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6 What you should present

This assessment course has two parts. Part A requires you to show what you did to plan, monitor, evaluate and reflect upon your skills. Part B requires you to select examples of your work that demonstrate you can use and improve your skills in working with others. Together the two parts form a portfolio of your achievements. You can use the guidance, bookmarks and skills sheets included in the OpenLearn Course Author(s): The Open University

5 Obtaining descriptive statistics

Activity 4

0 hours 20 minutes

This activity demonstrates how a simple dataset can be used to produce some basic statistics. You will see how the data from a simple experiment can be described in a
Author(s): The Open University

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New basketball coach’s first day at Vandy
Vanderbilt hired Bryce Drew as its new head men's basketball coach April 6. Watch Drew's first day on the job.
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Rights not set

8.1.1 Visibility

Recall that a key usability design feature identified by Donald Norman – from his analysis of using everyday objects such as doors – was visibility. An everyday object such as a door, or a control such as a button on a product should appear to be obvious about how it is used, and indeed it should perform that obvious function. For example, is it obvious how you insert a disc into a player? Is it obvious how you switch the machine on, adjust volume, and so on?


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7.2.11 Dynamic pricing

The dynamic pricing model is one which has a number of different instantiations. Basically, such models treat the price of a product or service (primarily a product) as variable and open to negotiation.

The name-your-price instantiation of this model is where the customer of a site offers the price that he or she thinks is reasonable for a product or service. The administrator of the website will pass on this bid to the provider of the product or service who will decide whether t
Author(s): The Open University

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Keep on learning

Study another free course

There are more than 800 courses on OpenLearn for you to choose from on a range of subjects. 

Find out more
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Evaluation techniques
This is a module framework. It can be viewed online or downloaded as a zip file. As taught in Autumn Semester 2009/10 The 'Evaluation Techniques' module is one of the core modules taught on the Masters in Public Health which is offered by the Division of Epidemiology and Public Health at The University of Nottingham. This resource includes an overview of the module, a recommended reading list that supports the module and 3 of the 7 lectures that are delivered. Suitable for study at Masters L
Author(s): Myles Puja R. Dr

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