« previous next »

Author Question: A way to be sure that an observed relationship between an independent variable and a dependent ... (Read 52 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Jun 20, 2018
A way to be sure that an observed relationship between an independent variable and a dependent variable does indeed exist is by
 
  a. selecting which individual subjects are to be included in the study.
  b. identifying other possible variables.
  c. the creation of a control group.
  d. surveying the subjects of the study.

Question 2

A college professor, concerned about lack of attention by students during lecture, is considering a study of the effects of room temperature on state of consciousness. If the study is undertaken, what would be the dependent variable?
 
  a. room temperature
  b. state of consciousness
  c. the length of the class
  d. the time of day


atrochim

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Independent assortment of chromosomes at meiosis explains Mendel's ratio Independent assortment of chromosomes at meiosis explains Mendel's ratio
Relationship between psychosocial adaptation Relationship between psychosocial adaptation
Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ... Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ...
Relationship between thymidylate synthase and enzymes of tetrahydrofolate metabolism Relationship between thymidylate synthase and enzymes of tetrahydrofolate metabolism
Observed global land and ocean surface temperature anomalies since 1850 Observed global land and ocean surface temperature anomalies since 1850
Separation of variable number tandem repeat (VNTR) alleles after PCR amplification Separation of variable number tandem repeat (VNTR) alleles after PCR amplification
Video: Bone processes - resorption and deposition, remodeling and response to stress in adult bones

For a complete list of videos, visit our video library