This topic contains a solution. Click here to go to the answer

Author Question: Which one of the following conclusions can be firmly drawn only from an experimental study? a. ... (Read 138 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
Which one of the following conclusions can be firmly drawn only from an experimental study?
 
  a. Children grow taller as they get older.
  b. Boys are more likely than girls to engage in physical aggression.
  c. Some drugs administered during pregnancy affect a child's prenatal development.
  d. Children's muscular coordination and physical endurance improve as they grow older.

Question 2

Dr. Fitz wants to know which of three health programs is most effective in promoting children's physical well-being. With the consent of both the children and their parents, children who regularly attend a community center are randomly assigned to one of three 8-week programs. After the programs have ended, Dr. Fitz assesses the children's general physical wellbeing. Dr. Fitz's study can best be classified as which one of the following?
 
  a. experimental
  b. correlational
  c. cross-sectional
  d. quasi-experimental



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Christopher

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

C

Answer to Question 2

A




Shelles

  • Member
  • Posts: 582
Reply 2 on: Jun 20, 2018
Gracias!


chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

For a complete list of videos, visit our video library