This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The best way to protect the validity of an experiment is through the use of _____. a. nominal ... (Read 50 times)

maychende

  • Hero Member
  • *****
  • Posts: 556
on: Jun 19, 2018
The best way to protect the validity of an experiment is through the use of _____.
 
  a. nominal scaling of variables c. random assignment
  b. random sampling d. representative sampling

Question 2

In the equation Y = bX + a, b is a(n) _________.
 
  a. independent variable
  b. dependent variable
  c. constant
  d. coefficient
  e. constant and coefficient


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jun 19, 2018
Answer to Question 1

C
Internal validity is maximized via random assignment of participants to treatment conditions. A random sample is not essential to experiments.

Answer to Question 2

E


maychende

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Jun 19, 2018
Thank you!


nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Reply #3 on: Jun 19, 2018
Happy to help


« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Hershey and Chase experiment showing that the genetic material of T2 phage is DNA Hershey and Chase experiment showing that the genetic material of T2 phage is DNA
Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment. Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
A laboratory experiment verified evaporative cooling by the cicada, Diceroprocta apache A laboratory experiment verified evaporative cooling by the cicada, Diceroprocta apache
Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
The notorious standford prison experiment The notorious standford prison experiment
Monkey Experiment: Sense of Fairness Monkey Experiment: Sense of Fairness
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library