« previous next »

Author Question: In scientific research, what is the difference between a cross-sectional design and a longitudinal ... (Read 94 times)

altibaby

  • Hero Member
  • *****
  • Posts: 562
on: Jul 1, 2018
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
Reply #1 on: Jul 1, 2018
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
« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

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

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

A cross of sweet peas showing that independent assortment does not always occur A cross of sweet peas showing that independent assortment does not always occur
Nail structure, side view and cross-sectional view. Nail structure, side view and cross-sectional view.
Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source: Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source:
Searchable Scientific Literature Databases and Sources Searchable Scientific Literature Databases and Sources
Introduction to Behavioral Research Methods, 6/E Introduction to Behavioral Research Methods, 6/E
A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library