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

Author Question: Experiments use __________ to reduce the effects of confounding variables and other sources of bias ... (Read 48 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
on: Jul 24, 2018
Experiments use __________ to reduce the effects of confounding variables and other sources of bias that are naturally present in observational studies.
 Fill in the blank(s) with correct word

Question 2

Which of the following is implemented in an experiment to reduce known sources of natural variability in the response variable, so that differences due to the explanatory variable can be detected more easily?
 a. Matched-pairs
  b. Repeated measures
  c. Blocks
  d. All of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 24, 2018
Answer to Question 1

RANDOMIZATION

Answer to Question 2

D


danielfitts88

  • Member
  • Posts: 535
Reply 2 on: Jul 24, 2018
Excellent

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Field experiment on effects of predation on male guppy colouration Field experiment on effects of predation on male guppy colouration
Effects of Insulin and Glucagon on Glucose and Glycogen Effects of Insulin and Glucagon on Glucose and Glycogen
A noose hanging from a “Liberty Tree” reveals this artist’s bias: The “tar-and-feathering” of a Brit A noose hanging from a “Liberty Tree” reveals this artist’s bias: The “tar-and-feathering” of a Brit
Major Effects of Thyroid Hormone in the Body Major Effects of Thyroid Hormone in the Body
Stone Massage: Beneficial Effects, Therapeutic Uses, and Contraindications Stone Massage: Beneficial Effects, Therapeutic Uses, and Contraindications
Global air circulation patterns and their effects on climate. Global air circulation patterns and their effects on climate.
Video: Role of transport in a cell

For a complete list of videos, visit our video library