Name: Bianca Unigwe
Go to: http://www.wadsworth.com/psychology_d/templates/student_resources/workshops/resch_wrk.html
Go to: Research Methods.
Go to: Survey
1. Explain why psychologists use surveys.
Surveys are a widely used method to gather scientific information about how people feel about a particular issue. They are useful for identifying relationships between sets of beliefs and perhaps giving hints to cause and effect relationships. Surveys can also dispel myths about how people feel about a popular topic.
2. Identify and define the 3 types of? s used for surveys.
There are close-ended, partially closed, open-ended questions.
3. Answer the question posed on slide 7.
? # 8 is partially closed; participant as a victim and someone close as a victim; allows a wide range of responses and unique perspectives.
4. Determine why a representative sample is necessary for our survey development.
Sampling methods are a crucial part of survey work. You can't test everyone in the population because most populations are too big. Therefore, you select a sample and you hope that the smaller group of people is similar to the larger population.
5. Explain the type of sampling method will we use for our survey.
Haphazard, Purposive, Convenience, Probability, Systematic, Random, Stratified random,
Go to:
http://www.s-cool.co.uk/alevel/psychology/research-methods.html
Go to: Research Methods
Go to: Choosing Participants – Sampling.
Go to: Relationship between Researchers and Participants.
1. Explain researcher effects.
Researcher can affect the behaviour of the participants, thus affecting the results of the study.
2. Explain the ways used to minimize these effects in research.
There are several things a researcher can do such as disguise the purpose of the investigation, the single blind design, or the double blind design.
Go to: Correlations
1. Define positive correlation.
If both variables increase together, this is a positive correlation.
2. Define negative correlation.
If one variable increases as other decreases this is a negative correlation.
Go to: Questionnaires & Interviews.
1. List the strengths and weaknesses of using surveys.
Strengths: Many people can be tested quickly. It is easy to generate quantitative data and easy to analyze, used to collect large amounts of data about what people think as well as what they do, can quickly show changes in attitudes or behavior before and after specific events. Weaknesses: People may not tell the truth, especially on sensitive issues, for example, sexual behavior, if researcher is present then this may affect answers. Also, postal surveys may have low response rate.
2. Determine how we will use quantitative or qualitative data analysis. (Justify your rationale.)
Quantitative research: Gathers data in numerical form and is concerned with making 'scientific' measurements. Quantitative data analysis uses a barrage of inferential statistical tests. Qualitative research: Gathers information that is not in numerical form. For example, diary accounts, open-ended questionnaires, unstructured interviews and unstructured observations.
Go to: Data Analysis & Presentations.
1. State the type of graph or chart will work best for our survey purposes.
Bar graph, histogram, and frequency polygons.
Friday, August 20, 2010
Eating Breakfast Makes Girls Thinner
New study sponsored by General Mills says that eating breakfast makes girls thinner
Study: Breakfast Helps Girls Stay Slim
By ALEX DOMINGUEZ, Associated Press
Girls who regularly ate breakfast, particularly one that includes cereal, were slimmer than those who skipped the morning meal, according to a study that tracked nearly 2,400 girls for 10 years.
Girls who ate breakfast of any type had a lower average body mass index, a common obesity gauge, than those who said they didn't. The index was even lower for girls who said they ate cereal for breakfast, according to findings of the study conducted by the Maryland Medical Research Institute. The study received funding from the National Institutes of Health and cereal-maker General Mills.
"Not eating breakfast is the worst thing you can do, that's really the take-home message for teenage girls," said study author Bruce Barton, the Maryland institute's president and CEO.
The fiber in cereal and healthier foods that normally accompany cereal, such as milk and orange juice, may account for the lower body mass index among cereal eaters, Barton said.
The results were gleaned from a larger NIH survey of 2,379 girls in California, Ohio and Maryland who were tracked between ages 9 and 19. Results of the study appear in the September issue of the Journal of the American Dietetic Association.
Nearly one in three adolescent girls in the United States is overweight, according to the association. The problem is particularly troubling because research shows becoming overweight as a child can lead to a lifetime struggle with obesity.
As part of the survey, the girls were asked once a year what they had eaten during the previous three days. The data were adjusted to compensate for factors such as differences in physical activity among the girls and normal increases in body fat during adolescence.
Study: Breakfast Helps Girls Stay Slim
By ALEX DOMINGUEZ, Associated Press
Girls who regularly ate breakfast, particularly one that includes cereal, were slimmer than those who skipped the morning meal, according to a study that tracked nearly 2,400 girls for 10 years.
Girls who ate breakfast of any type had a lower average body mass index, a common obesity gauge, than those who said they didn't. The index was even lower for girls who said they ate cereal for breakfast, according to findings of the study conducted by the Maryland Medical Research Institute. The study received funding from the National Institutes of Health and cereal-maker General Mills.
"Not eating breakfast is the worst thing you can do, that's really the take-home message for teenage girls," said study author Bruce Barton, the Maryland institute's president and CEO.
The fiber in cereal and healthier foods that normally accompany cereal, such as milk and orange juice, may account for the lower body mass index among cereal eaters, Barton said.
The results were gleaned from a larger NIH survey of 2,379 girls in California, Ohio and Maryland who were tracked between ages 9 and 19. Results of the study appear in the September issue of the Journal of the American Dietetic Association.
Nearly one in three adolescent girls in the United States is overweight, according to the association. The problem is particularly troubling because research shows becoming overweight as a child can lead to a lifetime struggle with obesity.
As part of the survey, the girls were asked once a year what they had eaten during the previous three days. The data were adjusted to compensate for factors such as differences in physical activity among the girls and normal increases in body fat during adolescence.
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