An investigator wants to assess whether the use of a specific medication given to infants born prematurely is associated with developmental delay. Infants who were born prematurely are recruited and followed for 2-years. Some of the infants were given the medication at birth and others were not. All infants will undergo extensive testing at age 2 to assess various aspects of development. What type of study design: The Case Report/Case Series, The Cross-Sectional Survey, The Cohort Study, The Case Control Study, The Nested Case-Control Study, The Randomized Controlled Trial or The Crossover Trial?Type of study:  Is bias or cofounding a problem in this study? Give an example of a factor that may contribute to this problem.

Question
Asked May 27, 2019
89 views
  1. An investigator wants to assess whether the use of a specific medication given to infants born prematurely is associated with developmental delay. Infants who were born prematurely are recruited and followed for 2-years. Some of the infants were given the medication at birth and others were not. All infants will undergo extensive testing at age 2 to assess various aspects of development. 

What type of study design: The Case Report/Case Series, The Cross-Sectional Survey, The Cohort Study, The Case Control Study, The Nested Case-Control Study, The Randomized Controlled Trial or The Crossover Trial?

  1. Type of study:

 

 

  1. Is bias or cofounding a problem in this study? Give an example of a factor that may contribute to this problem.

 

check_circle

Expert Answer

Step 1

The cohort study generally involves a group of individuals that meet a set of criteria at the study start, who are disease free. The cohort is followed for few years and the associations are estimated between risk factor and the outcomes.

In the above study, the cohort is ‘the infants born prematurely’, who are followed for 2-years. They are divided into two groups to study that the specific medica...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Statistics

Other

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: A recent study showed that the modern working person experiences an average of 2.1 hours per day of ...

A: Confidence interval:The (1-α) % confidence interval for population mean µ, when σ is known is given ...

question_answer

Q: Conduct a test at the alphaα=0.10 level of significance by determining ​(a) the null and alternative...

A: a.Hypotheses:Here p1 and p2 be the two proportions. The aim is to check whether p1>p2. The null a...

question_answer

Q: Number 2 Please, Explain shortcut with TI84 if applicable

A: Given sample size n = 36Sample mean = 44Sample standard deviation = 5.2Level of significance = α = 0...

question_answer

Q: In a recent survey it was stated that Americans watch television on average four hours per day. Assu...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...

question_answer

Q: Professor Jennings claims that only 35% of the students at Flora College work while attending school...

A: (a) Level of significance:It is given that to test whether more than 35% of the students have jobs, ...

question_answer

Q: Let A and B be two events with P(A) = 0.71 and P(B) = 0.44. What is the largest possible value of P(...

A: In this question, we have the value of P(A) = 0.71 and P(B) = 0.44 and we have to find the maximum v...

question_answer

Q: Describe the main difference between a dependent and an independent t test. (Note: I am not asking y...

A: Dependent t-test: The dependent t-test, also known as the “paired t-test”, is a statistical procedur...

question_answer

Q: The number of unhealthy days based on the AQI ( Air Quality Index) for a random sample of metropolit...

A: Confidence interval:The (1-α) % confidence interval for population mean µ, when σ is unknown is give...

question_answer

Q: Intelligence quotas on two different tests are normally distributed. Test A has a mean of 100 and a ...

A: In this question, it has been given that two different tests A and B are normally distributed, Test ...