Question

In: Math

Learning Objective 3 – Identify the Design of a particular study 1) To determine if conversations...

Learning Objective 3 – Identify the Design of a particular study



1) To determine if conversations about HIV status decreases the risk of acquiring HIV among men having sex with me (MSM). From March 2008 through May 2010, persons newly diagnosed with HIV-positive men and HIV-negative men were recruited by researchers. To distinguish recent (<5 months) from longstanding (>5 months) infection, dried blood spots from people newly diagnosed with HIV were tested with the BED IgG-capture ELISA. HIV-positive men and the matched HIV-negative men completed a knowledge, attitudes, behavior and practices (KABP)-questionnaire. Researcherscompared HIV-positive men with recent infection and matched HIV-negative men among men having sex with men (MSM) regarding reported risk behavior in the previous 6 months.  What type of study is this? Explain.What are its strengths and limitation?

2) Tumors of the central nervous system are the second most common group of childhood cancers in 0-14 year olds (24% of total cancers) and represent a major diagnostic group in 15-24 year olds. Researchers were interested in learning if breastfeeding was a protective factor in such tumors. Researchers identified children with a newly diagnosed intracranial tumor. All patients were recruited from one major clinical cancer treatment center. Children with brain tumors were matched to children without brain tumors that were of similar age, sex, and BMI. These healthy children were drawn from general practice lists. What type of study is this? Explain. What are its strengths and limitation?

3) A previous review showed that high stress increases the risk of occupational injury by three to five-fold. Researchers examined the effect of stress on recorded hospitalized injuries over a period of 8 years. A total of 16,385 employees of a logging company responded to the questionnaire. Perceived stress was measured with a validated single-item measure, and analyzed in relation recorded hospitalized injuries from 1986 to 2008. What type of study is this? Explain. What are its strengths and limitations?

Solutions

Expert Solution

milcah answered 1 year ago
Next > < Previous

Related Solutions

Learning Objective: Identify the potential conflicts that arise within the firm between stockholders and managers and...
Learning Objective: Identify the potential conflicts that arise within the firm between stockholders and managers and between stockholders and bondholders, and discuss the techniques that firms can use to mitigate these potential conflicts. Topic: A well-run company should align the management’s interest and with the owner’s interests. What are some actions that stockholders can take to ensure that management’s and stockholders’ interests are aligned? Is this important? What are some of the risks/consequences if the management’s interests are not aligned...
Design either a randomized controlled double blind experiment on a particular study of interest OR design...
Design either a randomized controlled double blind experiment on a particular study of interest OR design a matched pairs study. State how you have been able to eliminate bias in your study. Be highly specific in your answer. Your answer must be at least 8 COMPLETE sentences in length.
Considering the Rockwell Collins case study complete following: 1) Program objective, 2) Suggestions for program design,...
Considering the Rockwell Collins case study complete following: 1) Program objective, 2) Suggestions for program design, 3)Suggestions on delivery method for training, 4) Recommendations on who should develop and deliver training.
A study was conducted in a particular place,to determine the effects of vitamin A deficiency in...
A study was conducted in a particular place,to determine the effects of vitamin A deficiency in preschool children.The investigators were particularly interested in whether children with vitamin A deficiency were at increased risk of developing respiratory infection,which normally causes death. 250 children were recruited in the study,and their age in years,gender(0=male,1=female),and whether they suffered vitamin A deficiency (0=no,1=yes) was recorded at an initial clinic visit (time 0).Also recorded was the response,whether the child was suffering from a respiratory infection (0=no,1=yes)....
Identify the 1 general objective of financial reporting. Describe the 3 specific objectives of financial reporting....
Identify the 1 general objective of financial reporting. Describe the 3 specific objectives of financial reporting. Explain the relationship between the objectives of financial reporting. Explain the Financial Accounting Standards Board (FASB) conceptual framework.
1) Design a study that uses a dependent samples design 2) Design a study that uses...
1) Design a study that uses a dependent samples design 2) Design a study that uses an independent samples design. Be sure to make clear your independent and dependent variables. Base your two studies on the same general idea.
1) Design a study that uses a dependent samples design 2) Design a study that uses...
1) Design a study that uses a dependent samples design 2) Design a study that uses an independent samples design.   Base your two studies on the same general idea.
1) Design a study that uses a dependent samples design 2) Design a study that uses...
1) Design a study that uses a dependent samples design 2) Design a study that uses an independent samples design. Be sure to make clear your independent and dependent variables. Base your two studies on the same general idea.
Choose the study design that best fits the following description: A study was conducted to determine...
Choose the study design that best fits the following description: A study was conducted to determine if the incidence of noise-induced hearing loss was greater in registered dental hygienists who used ultrasonic scaling devices for cumulative periods of time longer than two hours per day as compared to registered dental hygienists who used these devices for less than two hours daily or not at all. Annual amount of time using the scaling devices was ascertained at the start of the...
We have to design a security plan based on a given case study. The learning outcomes...
We have to design a security plan based on a given case study. The learning outcomes of this assignment are to recognize the threats that exist in your current or future workplace. Through your research, identify the threats, outline security guidelines, and develop a robust and pragmatic training program. You should develop a plan that you would regard as helpful to your information user, as well as protecting your organization’s information environment. Use your imagination in combination with a wide...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT