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The DMC Upside - March 2015
The DMC Upside is a 30 minute TV News Magazine with current information about Del Mar College. Hosted by Carlos Garanzuay and Kira Hays. This March 2015 edition aired on digital cable channel 19 in Corpus Christi. "The DMC Upside" is produced by DMC-TV.
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A.D. Miller on friendship and guilt


Author(s): The Economist

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Rights not set

Présentation du réseau et de la journée (audio)



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Research methodologies for evaluating enterprise education: a tale of a study.
This paper reports on the experience of the researchers in designing and applying a research approach for evaluating a project using a longitudinal design
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1.2 2 The chromosomes that constitute the human genome

Laboratory techniques are available to aid in the preparation and staining of the chromosomes from a single cell, so that they are readily distinguished and can be photographed under the microscope. During mitosis, the chromosomes become visible (because they have condensed) and it is during mitosis that chromosome number, size and shape can be most easily studied. Every species has a particular number of chromosomes, each with a characteristic size and shape. For example, chimpanzee c
Author(s): The Open University

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1 Course overview

In this course we'll be concerned with what type of science forms the basis of science education, and for what purpose. You'll explore these issues by reading the text that follows and by tackling the activities that are included; there are also a number of readings. In the latter part of this course (Sections 10–14) we'll consider some of the practical problems involved in delivering an effective curriculum in science and look at key questions relevant to all three educational tiers
Author(s): The Open University

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Acknowledgements

Grateful acknowledgement is made to the following sources for permission to reproduce material in this unit:

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlik
Author(s): The Open University

3.1.1 Try some yourself

Activity 19

In a supermarket the bill comes to £8.70, and you have discount coupons worth £3.50. The assistant says ‘that will be £12.20 please’. Is she right?


Author(s): The Open University

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4.5.2 n-fold toruses

We can use a similar technique to find the Euler characteristic of a 2-fold torus. If we cut the surface into two, as shown in Figure 95, and separate the pieces, we obtain two copies of a 1-fold torus with 1 hole, each with Euler characteristic −1.

Author(s): The Open University

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2.1 Environment and technology

A central concern of environmental studies is the relationship between technology and our environment: how people use technology to transform materials into forms which can meet our needs and wants. In the process of doing this we inevitably change the environment which provides these materials but which also supports all life.

A few moments ago I went to my fridge and took some milk out to add to a cup of coffee. I used this common example of a modern domestic appliance without a secon
Author(s): The Open University

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1.1 Marlowe: the man

Figure 1

5.1 History of kente

Activity 17

Once you’ve watched the video, make a few notes on what you learnt about the history of kente.

Author(s): The Open University

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7.3 What is an effective decision?

To improve decision making it is first important to have a clear idea of how we should judge an effective decision. While in this course we have suggested that decisions often stray from formal rationality, this does not always mean those decisions are less effective. Sometimes it is smart to take mental shortcuts: drawing on hunches and intuition can allow us to tap our tacit knowledge and experience and can reduce the costs of decision making. It can be smart to ask what is ‘legitimate’
Author(s): The Open University

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7.1 Introduction

We have taken a brief excursion through three different perspectives on decision making (the rational-economic, the psychological and the social) and we have considered how we think about risk from these different perspectives. How can you use these ideas to improve your own and others' decision making? The first way is to use them to develop greater insight into the pressures and influences that may be affecting how you process information, think, and decide. By becoming more aware of these
Author(s): The Open University

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6.5 The social construction of quantifiable risk

Earlier in this course we referred to the way in which social groups can develop shared cognitive schema. One important role for shared cognitive schema is to define the risks that we pay attention to, the dread in which we hold them and the perceived likelihood of their occurrence. Because these perceptions affect behaviour, they also play a role in selecting the risks that we face. In the last half century, some sociologists suggest (e.g. Beck, 1992; Giddens, 1990) that our concerns with ri
Author(s): The Open University

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2.3 Closing the project

Closing a project can be quite an emotional experience for team members who have worked together for some time, particularly if close bonds have developed. The manager of a project has some obligations to staff who have worked for some time on it. Build into the plan a closure interview with each member of staff, so that their contribution can be formally recognised and recorded. Staff may need help to recognise the skills and experience that they have gained and how these have been evidenced
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1.4.1 PROMPT

There is so much information available on the Internet on every topic imaginable. But how do you know if it is any good? And if you find a lot more information than you really need, how do you decide what to keep and who to discard?

In this section we are going to introduce a simple checklist to help you to judge the quality of the information you find. Before we do this, spend a few minutes thinking about what is meant by information quality.

Author(s): The Open University

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6.2 The application

The first application I shall describe is that of an online bookseller. Such a book sales system would carry out a number of functions:

  • It would allow the user to browse through a catalogue of books.

  • It would allow the user to browse through a list of the most popular books, with the list being updated every hour.

  • It would provide the facility whereby a user can buy books and add them to a notional shopping basket.


    Author(s): The Open University

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1.1.1 Desirable properties of a database

As you will see, there are many possible choices that can be made during the design and many rules to guide this work. When trying to decide if some choices are better than others, you need to consider the key desirable properties of a database. The table here outlines some of them:

Completeness Ensures that users can access the data they want. N
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