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 140 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
Excellent


cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

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

For a complete list of videos, visit our video library