« previous next »

Author Question: Single-blind experiments help to control for ____ effects whereas double-blind experiments help to ... (Read 458 times)

jenna1

  • Hero Member
  • *****
  • Posts: 568
on: Jun 19, 2018
Single-blind experiments help to control for ____ effects whereas double-blind experiments help to control for _____ effects.
 
  a. participant; experimenter and participant
  b. experimenter and participant; participant
  c. fatigue; practice
 d. practice; fatigue

Question 2

A researcher would like to select a sample of 50 people so that five different age groups are equally represented in the sample. Assuming that the researcher does not know the entire list of people in the population, which sampling technique should be used?
 
  a. quota sampling
 b. stratified random sampling
 c. proportionate stratified random sampling
  d. cluster sampling


Harbringer

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jun 19, 2018
Answer to Question 1

a

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

The progression and effects of cancer. The progression and effects of cancer.
Single bull elk are vulnerable to predation by wolves. Single bull elk are vulnerable to predation by wolves.
CRISPR-Cas9 System for In Vivo Genome Editing Experiments CRISPR-Cas9 System for In Vivo Genome Editing Experiments
Multisystem effects of premenstrual syndrome. Multisystem effects of premenstrual syndrome.
People who are color-blind see colors differently. (a) Those with normal vision see the red leaves. People who are color-blind see colors differently. (a) Those with normal vision see the red leaves.
Autonomic nerves and their effects Autonomic nerves and their effects
Video: Forming urine ( influencing factors), Forming dilute urine & Forming concentrated urine

For a complete list of videos, visit our video library