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
  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.

 

Expert Answer

Want to see the step-by-step answer?

See Answer

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

See Answer
*Response times vary by subject and question complexity. Median response time is 34 minutes and may be longer for new subjects.
Tagged in

Related Statistics Q&A

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

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 ...

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...

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...

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 ...

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, ...

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...

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...

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...

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 ...