« previous next »

Author Question: In an experiment, it is essential that A) the group sizes are equal. B) the experimental and ... (Read 43 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
on: Aug 4, 2018
In an experiment, it is essential that
 
  A) the group sizes are equal.
  B) the experimental and control groups are comparable at the start of the study.
  C) all participants are given a pretest.
  D) the groups are equal after the manipulation.

Question 2

Which of the following is essential for a successful control-group design?
 
  A) that the experimental and control groups be comparable at the start of the study
  B) that participants be randomly selected from a general population
  C) that at least three conditions are manipulated
  D) that there be an equal number of male and female participants


yotaSR5

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Essential Vitamins Essential Vitamins
Files come in many different shapes and sizes. Never use a file without a handle. Files come in many different shapes and sizes. Never use a file without a handle.
How Mendel’s theory accounts for the results of his experiment on the inheritance of seed color in ... How Mendel’s theory accounts for the results of his experiment on the inheritance of seed color in ...
Nuts are also a good source of B group vitamins (including folate), and vitamin E Nuts are also a good source of B group vitamins (including folate), and vitamin E
Group of Ants Group of Ants
Experimental evidence of cytoplasmic localization in an amphibian oocyte. Experimental evidence of cytoplasmic localization in an amphibian oocyte.
Video: Interview with an Anorexic Woman (Part 2 of 2)

For a complete list of videos, visit our video library