Do telephones give you colon cancer?
Course sample index
Introduction
Section one: What do we mean by 'health'?
Section two: Patterns of disease - Looking at the evidence
Section three: Gender and disease
Section four: Disease and education
Section five: Poverty and disease
Section six: Improving health
Section one: What do we mean by 'health'?
Section two: Patterns of disease - Looking at the evidence
Section three: Gender and disease
Section four: Disease and education
Section five: Poverty and disease
Section six: Improving health
About this sample
This course sample is adapted from Preparing For Development, part of the U213: International Development: Challenges for a world in transition and TU871: Development: Context and practice courses.
Activity Ten
Examine this graph.
Is there a correlation between cancer of the colon and telephone ownership? If so, is it a positive or negative correlation? Do you think that telephone ownership causes cancer of the colon?
There is a positive correlation between owning a telephone and cancer of the colon. So does this mean that owning a telephone causes cancer of the colon?
Common sense tells us that this is ridiculous. Does having cancer of the colon cause people to go out and buy a telephone? This is slightly more plausible, but still very far-fetched.Activity Eleven
Write down two or three factors that telephone ownership indicates which might link it to cancer of the colon.
We'll look at possible answers - and review the skills you've been using - on the next page.
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