Field Methods in Psychology
Imagine that a group of obese children is recruited for a study in which their weight is measured, then they participate for 3 months in a program that encourages them to be more active, and finally their weight is measured again. Explain how each of the following might affect the results: a. regression to mean b. spontaneous remission c. history d. maturation
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Imagine that a group of obese children is recruited for a study in which their weight is measured, then they participate for 3 months in a program that encourages them to be more active, and finally...
Imagine that a group of obese children is recruited for a study in which their weight is measured, then they participate for 3 months in a program that encourages them to be more active, and finally their weight is measured again. Explain how each of the following might affect the results: regression to the mean spontaneous remission history maturation
1. Describe: a) a control subject in a case-control study, 2. and b) a control subject...
1. Describe: a) a control subject in a case-control study, 2. and b) a control subject in an experiment. You may want to describe their disease and/or exposure status. 3. Does "validity" indicate that a test or an instrument is accurate/correct? a. Yes b. No 4. The Healthy Worker Effect is an epidemiological concept that has shown that as a group, people who are employed are healthier than the general population. Because of this researchers must be alert to the...
“The US Centers for Disease Control and Prevention said about 72 million Americans—nearly one out of...
“The US Centers for Disease Control and Prevention said about 72
million Americans—nearly one out of every four of the country’s 304
million residents—are considered obese. Millions more are
designated as overweight.” The American trend toward obesity has
prompted many physicians to offer weight-loss programs to their
patients. [Source: Price, W. T. “Physicians Get into the
Weight-Loss Business.” Florida Today, July 7, 2008.]
A physician conducted an experimental study to compare the
effectiveness of four different weight-loss programs. In the...
9. When you desire to study the effects of a rare exposure on a disease using...
9. When you desire to study the effects of a rare exposure on a disease using observational methods, you would optimally employ the type of study design. Remember you would likely need to conduct your study in a place where the exposure occurs. cohort b ase-control 10. Another name for a retrospective study is an) study b. cohort e experimental 11. You have completed a year long study of the effectiveness of a reading program among second graders. At the...
1. The head of marketing at a local gym wants to know if they should be...
1. The head of marketing at a local gym wants to know if they should be selling the SUPER-MAX Nutritional Supplement. The researcher asks people at their gym whether they use the SUPER-MAX supplement and how much weight they can lift. Specifically, the researcher chooses 12 people training with weights and 3 people from the rest of the gym. A positive relationship is found between SUPERMAX use and weight lifting ability. The head of marketing then concludes that they should...
In a study of 380 diabetics and nondiabetics, patients were classified as underweight, normal weight, overweight and obese according to their diabetes status. The probability of being normal weight is...
In a study of 380 diabetics and nondiabetics, patients were classified as underweight, normal weight, overweight and obese according to their diabetes status. The probability of being normal weight is 0.31 and the probability of having diabetes is 0.39. If you select two individuals from the population, the probability of being diabetic and normal weight is 0.09. What is the probability that either of the two randomly selected individuals (or both) will be diabetic or normal weight? a. Pr (diabetic...
Question 6 After the end of World War II, which field of psychology expanded greatly? Behaviorism...
Question 6 After the end of World War II, which field of psychology expanded greatly? Behaviorism Comparative psychology Clinical psychology Positive psychology Question 7 Which of these characterizes a representative sample? Anyone who volunteers to participate is included in the study. The people in the study say they are confident that their opinions are the common ones. Everyone in the population has an equal chance of being chosen for the study. The percentages of male and female, old and young,...
Questions 33-35. Based on the vignette below, answer the following questions. Vignette II. You become very...
Questions 33-35. Based on the vignette below, answer the following questions. Vignette II. You become very interested in the large public interest in the iPhone. You decide to use the experimental method so you can try to understand the causes of fascination with the iPhone and be able to generalize your results to the larger population beyond the Apple Store employees. You recruit large numbers of participants, a representative sample of the larger population, and ran- domly assign them to...
Mike and Jim are brothers. Mike: 24 year male; moderately active Weight: 85 kg Height: 1.78...
Mike and Jim are brothers. Mike: 24 year male; moderately active Weight: 85 kg Height: 1.78 m Jim: Mikes older brother; inactive Weight: 153 kg Height: 1.83 m Family History: Their parents, along with most other members of their family, are overweight and have hypertension. Both were overweight children. Lifestyle, daily routine and eating habit Mike: In advertising. Plays on companies soccer team, practices 1 day/week. Jim: High School teacher, most of day spent sitting Mike and Jim have similar...
3. One of the most controversial issues in the field of Marketing is the long-run impact...
3. One of the most controversial issues in the field of Marketing is the long-run impact that advertising has on brand awareness. That is, while a short-term impact is commonly observed lie, increased awareness of the advertised brand within a one-two week time frame of the ad appearing the longer-term impact is less well understood. To this end, the Marketing Research Firm (MRF) conducted a study to assess the longer-term impact of advertising on his newly launched brand of detergent,...
1. Describe: a) a control subject in a case-control study, 2. and b) a control subject in an experiment. You may want to describe their disease and/or exposure status. 3. Does "validity" indicate that a test or an instrument is accurate/correct? a. Yes b. No 4. The Healthy Worker Effect is an epidemiological concept that has shown that as a group, people who are employed are healthier than the general population. Because of this researchers must be alert to the...
“The US Centers for Disease Control and Prevention said about 72
million Americans—nearly one out of every four of the country’s 304
million residents—are considered obese. Millions more are
designated as overweight.” The American trend toward obesity has
prompted many physicians to offer weight-loss programs to their
patients. [Source: Price, W. T. “Physicians Get into the
Weight-Loss Business.” Florida Today, July 7, 2008.]
A physician conducted an experimental study to compare the
effectiveness of four different weight-loss programs. In the...
9. When you desire to study the effects of a rare exposure on a disease using observational methods, you would optimally employ the type of study design. Remember you would likely need to conduct your study in a place where the exposure occurs. cohort b ase-control 10. Another name for a retrospective study is an) study b. cohort e experimental 11. You have completed a year long study of the effectiveness of a reading program among second graders. At the...
Questions 33-35. Based on the vignette below, answer the following questions. Vignette II. You become very interested in the large public interest in the iPhone. You decide to use the experimental method so you can try to understand the causes of fascination with the iPhone and be able to generalize your results to the larger population beyond the Apple Store employees. You recruit large numbers of participants, a representative sample of the larger population, and ran- domly assign them to...
Mike and Jim are brothers. Mike: 24 year male; moderately active Weight: 85 kg Height: 1.78 m Jim: Mikes older brother; inactive Weight: 153 kg Height: 1.83 m Family History: Their parents, along with most other members of their family, are overweight and have hypertension. Both were overweight children. Lifestyle, daily routine and eating habit Mike: In advertising. Plays on companies soccer team, practices 1 day/week. Jim: High School teacher, most of day spent sitting Mike and Jim have similar...
3. One of the most controversial issues in the field of Marketing is the long-run impact that advertising has on brand awareness. That is, while a short-term impact is commonly observed lie, increased awareness of the advertised brand within a one-two week time frame of the ad appearing the longer-term impact is less well understood. To this end, the Marketing Research Firm (MRF) conducted a study to assess the longer-term impact of advertising on his newly launched brand of detergent,...
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