« previous next »

Author Question: While studying the impact of nutrition on intelligence, a researcher has one group of rats on a ... (Read 59 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?

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 Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Naked mole-rats Naked mole-rats
Head impact during sports may reduce ability to acquire new information Head impact during sports may reduce ability to acquire new information
Fruit Nutrition Fruit Nutrition
The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Group fitness activities geared toward senior citizens can improve their physical strength and ... Group fitness activities geared toward senior citizens can improve their physical strength and ...
Methyl group metabolism and homocystinuria Methyl group metabolism and homocystinuria
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

For a complete list of videos, visit our video library