« previous next »

Author Question: While studying the impact of nutrition on intelligence, a researcher has one group of rats on a ... (Read 27 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Jun 22, 2018
While studying the impact of nutrition on intelligence, a researcher has one group of rats on a vitamin-rich diet while the other rat group eats Big Macs. While observing the rats run a complicated maze, the researcher notes that the vitamin-enhanced rats' maze is more brightly lit than the Big Mac rats' maze. The difference in lighting in this study is a(n)
 
  a. confound.
 b. independent variable.
  c. dependent variable.
 d. hypothesis.

Question 2

A researcher is testing the effects of sunlight on depression. The dependent variable is
 
  a. sunlight.
 b. the interaction between sunlight and mood.
  c. the research design.
 d. depression.


triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

shelducks, genus Tadorna, are a group of large birds in the Tadorninae subfamily of the Anatidae shelducks, genus Tadorna, are a group of large birds in the Tadorninae subfamily of the Anatidae
Studying the Axon Studying the Axon
Over Studying Over Studying
Digestion and Nutrition Digestion and Nutrition
Nutrition Logo Nutrition Logo
Total parenteral nutrition through a catheter in the right subclavian Total parenteral nutrition through a catheter in the right subclavian
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library