« previous next »

Author Question: The goal for an experiment is to demonstrate that changes in one variable are responsible for ... (Read 63 times)

faduma

  • Hero Member
  • *****
  • Posts: 528
on: Jun 20, 2018
The goal for an experiment is to demonstrate that changes in one variable are responsible for causing changes in a second variable.
 
  Indicate whether the statement is true or false

Question 2

A researcher interested in vocabulary development obtains a sample of three-year-old children to participate in a research study. The average score for the group of 20 is an example of a parameter.
 
  Indicate whether the statement is true or false


cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 20, 2018
Answer to Question 1

True

Answer to Question 2

False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

faduma

  • Hero Member
  • *****
  • Posts: 528
Reply #2 on: Jun 20, 2018
Thank you


cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

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?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Graphic display of hypothetical results of a predator removal experiment. Graphic display of hypothetical results of a predator removal experiment.
The Hershey-Chase Experiment p2 The Hershey-Chase Experiment p2
Ghostly experiment Ghostly experiment
Dead Weight Testers Experiment Dead Weight Testers Experiment
Rosenthal and Fode’s Rat Experiment Rosenthal and Fode’s Rat Experiment
Visual Cliff Experiment Visual Cliff Experiment
Video: Covalent bonds - role in the body

For a complete list of videos, visit our video library