« previous next »

Author Question: Which of the following is an example of random allocation of subjects to groups? a. A sign-up ... (Read 6 times)

abc

  • Hero Member
  • *****
  • Posts: 543
on: Jun 20, 2018
Which of the following is an example of random allocation of subjects to groups?
 
  a. A sign-up sheet is passed around the class with times. Participants are allowed to sign up for the time that fits them best
  b. Rats are pulled from a group cage and the first batch are placed in Condition 1, the second in Condition 2, and so on
  c. Assign numbers individually and non-systematically, then look at a random number table to allocate them to groups.
  d. Divide participants based on where they live

Question 2

Which of the following is the best means of randomly assigning subjects to conditions?
 
  a. Place students into groups in the order they sign up for the experiment.
  b. Placing every other student into one of the two groups.
  c. Give each student a number and compare them to a random number table.
  d. Give each student a number, write them on slips of paper and shake them in a hat.


joechoochoy

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

The elephant raises its trunk as a sign of warning or to smell enemies or friends The elephant raises its trunk as a sign of warning or to smell enemies or friends
Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash. Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash.
Functional groups Functional groups
Common Physical and Mental Health Problems of Different Cultural Groups Common Physical and Mental Health Problems of Different Cultural Groups
Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers. Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers.
If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ... If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ...
Video: Mycobacterium tuberculosis: Drug Resistance and Natural Selection

For a complete list of videos, visit our video library