Author Question: Which of the following studies is best for showing that the first variable causes changes in the ... (Read 50 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
Which of the following studies is best for showing that the first variable causes changes in the second variable?
 
  a. A researcher asks people who are entering the grocery store how hungry they are and then asks them how much they spent on food as they leave the store.
  b. A researcher assigns participants to sleep various amounts of hours and then observes how cranky they are.
  c. A researcher asks participants how well they like to think and how many books they have read in the last 6 months.
  d. A researcher asks participants how many hours per week they listened to Beethoven while growing up and then gives them a math ability test.

Question 2

In an experiment, the researcher _____, in a correlational study, the researcher _____.
 
  a. measures two variables; measures a single variable known as the dependent variable
  b. measures two variables; measures a single variable known as the independent variable
  c. actively tries to make a relationship; observes to see if a relationship exists.
  d. observes to see if a relationship exists; actively tries to make a relationship



alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library