« previous next »

Author Question: An ecological study focuses on groups of people and examines the relationship between exposure and ... (Read 68 times)

michelleunicorn

  • Hero Member
  • *****
  • Posts: 565
on: Aug 21, 2018
An ecological study focuses on groups of people and examines the relationship between exposure and disease.
 a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Prospective cohort studies use existing longitudinal data to look back for a temporal relationship between exposure factors and outcome development.
 a. True
  b. False
  Indicate whether the statement is true or false


perkiness

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Aug 21, 2018
Answer to Question 1

True

Answer to Question 2

False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

A farmer with a pitchfork, wearing a hat identifying him as a Granger, warns of an oncoming “Consoli A farmer with a pitchfork, wearing a hat identifying him as a Granger, warns of an oncoming “Consoli
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
The Distribution of Dominant and Minority Groups The Distribution of Dominant and Minority Groups
Relationship of the electrocardiogram to electrical conduction in the heart. Relationship of the electrocardiogram to electrical conduction in the heart.
Study Duddy 2 Study Duddy 2
The gradient of the B allele of the ABO blood groups from East to West is due to waves of migration The gradient of the B allele of the ABO blood groups from East to West is due to waves of migration
Video: The Lac Operon in E. Coli

For a complete list of videos, visit our video library