« previous next »

Author Question: Which of the following studies is best for showing that the first variable causes changes in the ... (Read 54 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Organization of the Food and Drug Administration showing the seven centers that regulate human and ... Organization of the Food and Drug Administration showing the seven centers that regulate human and ...
A histologic slide showing the sponge-like architecture of a patient with Creutzfeldt-Jakob Disease. A histologic slide showing the sponge-like architecture of a patient with Creutzfeldt-Jakob Disease.
Always check the battery, using a conductance or load tester. A battery showing a green charge ... Always check the battery, using a conductance or load tester. A battery showing a green charge ...
A typical port fuel-injected system showing a vacuum-controlled fuel-pressure regulator. A typical port fuel-injected system showing a vacuum-controlled fuel-pressure regulator.
Gallbladder opening showing gallstones. Gallbladder opening showing gallstones.
Figure of a Woman with a Drawing Showing Evidence of Original Painting and Outlining Design Scheme Figure of a Woman with a Drawing Showing Evidence of Original Painting and Outlining Design Scheme
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library