Experts for the rise in obesity blame the combination of a less active lifestyle and changes to eating patterns.
Coronary heart disease causes 270,000 heart attacks each year in the UK. Of these, the British Heart Foundation (BHF) estimates that 28,000 are directly attributable to obesity.
This subjects interests me because I here news daily on this subjects on the news and documentary’s. I think if there is lots of data being shown everywhere then this can help me gather facts easier
Chapter 2: Methodology:
There are advantages of each primary and secondary methods and I have sorted these out
Primary research
Questionnaires
- Good way to obtain quantitative data
- Use if the same questions make analysis easier
- Can cover a larger target audience over a wide area
However
- Can be time consuming to collect
Focus groups
- Good for testing out new ideas or products
- Compared to observation, a focus group enables the researcher to gain a larger amount of information in a shorter period of time
However
- Depends on the skill of the researcher
- Not necessarily of the whole production
Secondary research
Books
- Useful to refer back to on a regular basis
However
Journals
- Useful for current issues and information
Newspaper
- Useful for current issues on the day
- May provide food for thought
Television
- Strong pictorial images that can stimulate ideas for study
- Provides a deeper detailed research into the story
However
- Difficult to refer back to (unless the programme was recorded)
Statistics
- Useful for qualitative analysis of data
- Can provide more factual evidence
- Can help to provide evidence of trend
The Internet
- Worldwide information provided from everyone
However
- Usually too much information
- Not always up to date or reliable
Chapter 3
Obesity has already hit America with all the fast food chains. There are over 233 different fast food chains and is on an increase. Already a quarter of the adult population in England is classified as obese and almost a fifth of all children under the age of 16 are obese, this is a major problem for all the future of Britain.
BMI
You are in the normal range if your bmi is between 18.5 and 25(kg/m2)
You are overweight if your bmi is between 25 and 30
You are obese if your bmi is 30 or higher
You are morbidly obese if your bmi is 40 or higher
If your BMI is between 17 to 22, your life spam might be longer then average. Men are usually satisfied with a BMI of 23 to 25 and women tend to believe they look their best at values between 20 to 22
The picture across shows effects caused by obesity.
As you can see the heart is slightly enlarged and is
Harder to pump blood, this causes problems for breathing
And makes it harder to exercise.
.
The graph below shows levels of obesities in other countries, from the data in the graph below there are more obese females then males in most countries. USA-black results shows that there are far more obese females then males these results are surprising and are interesting. UK results is around average compared to other major countries, with averages of 16% for males and around 17% for females
(right)in this graph the majority
Of people think there is an
Increase in obesity, this show
That they are aware of an increase.
Questionnaire analysis
I think the results I have received have given me and idea that people can define obesity and can give me their views on obesity. However I think I can improve the quality of my questionnaire and ask questions like ‘’also I could have interviewed a range of people which eliminates unintentional subjectivity and bias results. Asking more people can also make my results a bit more accurate if I interviewed them quicker. I don’t think my data produced valid data because when asking for some people they often came out in the same kind of social-economic groups, this can cause conformity and make people choose what their friends chose, and also I occasionally got the same kind of gender groups and same ages which can affect the overall results
The length of time conducting interviews means that my research findings could only be based on a small sample of respondents. This has affected the reliability of my conclusions, although I feel that the views expressed have not been greatly compromised any questionnaire may have inherent bias results.
Chapter 4: evaluation
1. My sampling methods
I think my sampling methods should have had an improvement, so in order to improve the validity of my results a more accurate sampling method such as systematic or random sampling should have been used. Most professional surveys use a wide variety of people and uses over hundreds of people to do there surveys which creates a much more accurate results, a wide range of answers and random sampling which makes the results not biased, so my sample size of 48 means that my conclusion may be limited accuracy, this is serious limitation of my research.
2. My Questionnaires
There were several problems with my questionnaire that may have led to inaccurate results. These include improving my questions so it’s more open and have much more choices.
There were advantages and disadvantages in my questionnaire
Advantages:
- cover a large number of people
- large amounts of info can be gathered quickly
- they can help to reduce the bias of interviews
Disadvantages:
- closed questions may not reflect on respondents real views
- bias may be presented through the choice of questions asked
- badly phrased questions might influence the answers given