This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A researcher, interested in the onset of early menses, compared the life experiences and history of ... (Read 83 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
on: Jul 8, 2018
A researcher, interested in the onset of early menses, compared the life experiences and history of 1000 14-year-old girls, half of whom had monthly periods and half of whom did not, to determine what variables might be observed.
 
  Which of the following would be the most appropriate categorization of this study?
  a.
  Cross-sectional study
  b.
  Prospective study
  c.
  Retrospective study
  d.
  True experiment

Question 2

One famous study followed a cohort of nurses over their lives, collecting data and health histories as they aged. Which of the following would be the most appropriate categorization of this study?
 
  a. Cross-sectional study
  b. Prospective study
  c. Retrospective study
  d. True experiment


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DylanD1323

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: C
When a study looks at individuals with a particular condition in comparison with those who do not have the disease, based on their exposures to various life situations, it is a retrospective study; that is, the study requires participants to look back at previous experiences. A cross-sectional study examines relationships between potential causal factors and disease at a specific time. A prospective study monitors a group of disease-free individuals to determine if and when disease occurs. A true experiment involves both an experimental group who receives an intervention and a control group who does not receive an intervention.

Answer to Question 2

ANS: B
Prospective studies monitor a group of individuals to determine if and when disease occurs. A cross-sectional study examines relationships between potential causal factors and disease at a specific time. A retrospective study compares individuals with a particular condition or disease with those who do not have the disease. A true experiment involves both an experimental group who receives an intervention and a control group who does not receive an intervention.


KimWrice

  • Member
  • Posts: 579
Reply 2 on: Jul 8, 2018
Thanks for the timely response, appreciate it

TheDev123

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Every flu season is different, and even healthy people can get extremely sick from the flu, as well as spread it to others. The flu season can begin as early as October and last as late as May. Every person over six months of age should get an annual flu vaccine. The vaccine cannot cause you to get influenza, but in some seasons, may not be completely able to prevent you from acquiring influenza due to changes in causative viruses. The viruses in the flu shot are killed—there is no way they can give you the flu. Minor side effects include soreness, redness, or swelling where the shot was given. It is possible to develop a slight fever, and body aches, but these are simply signs that the body is responding to the vaccine and making itself ready to fight off the influenza virus should you come in contact with it.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Sporic life cycles Sporic life cycles
Patients with physical special needs, such as a wheelchair, need to have this documented in their he Patients with physical special needs, such as a wheelchair, need to have this documented in their he
Toussaint L’Ouverture leads a revolt of slaves against the French in Haiti—the first and only major Toussaint L’Ouverture leads a revolt of slaves against the French in Haiti—the first and only major
A model of the 70S ribosome based upon early structural data A model of the 70S ribosome based upon early structural data
The early regulatory region of phage l The early regulatory region of phage l
The evolutionary history of the globin gene superfamily The evolutionary history of the globin gene superfamily
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library