« previous next »

Author Question: While studying the impact of nutrition on intelligence, a researcher has one group of rats on a ... (Read 46 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?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

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?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

A group of capped langurs. A group of capped langurs.
Summer Studying Summer Studying
The ability of a community to cope, adapt to, and mitigate the accelerating impact of climate change The ability of a community to cope, adapt to, and mitigate the accelerating impact of climate change
A Healthy Daily Food Plan A variety of foods from each group creates a well-balanced diet A Healthy Daily Food Plan A variety of foods from each group creates a well-balanced diet
Group of Ants Group of Ants
Studying the genetic roots of mating and bonding behavior Studying the genetic roots of mating and bonding behavior
Video: Non-polar compounds - insolubility

For a complete list of videos, visit our video library