Author Question: In scientific research, what is the difference between a cross-sectional design and a longitudinal ... (Read 85 times)

altibaby

  • Hero Member
  • *****
  • Posts: 562
In scientific research, what is the difference between a cross-sectional design and a longitudinal design?
 
  What will be an ideal response?

Question 2

Recent research has provided evidence that HIV can be transmitted by casual contact.
 
  Indicate whether the statement is true or false



asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

Cross-sectional designs take a sample and gather data at a single time point, while a longitudinal design follows a sample over a period of time.

Answer to Question 2

F



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library