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

Author Question: In an experiment, the researcher was unintentionally talkative to one of the participant groups. ... (Read 105 times)

drink

  • Hero Member
  • *****
  • Posts: 554
on: Jun 20, 2018
In an experiment, the researcher was unintentionally talkative to one of the participant groups. What best describes the threat to internal validity and why is it a threat?
 
  a. Randomness, since being talkative can make this particular group more relaxed and better able to perform.
  b. Participant-maturation interaction, since being friendly to one group can introduce a confound.
  c. History, since this unintended interaction was not part of the independent variable, a confound was introduced.
  d. Testing, since the other group might feel cheated for being treated more formally by the researcher, and this introduces counterbalancing.

Question 2

For a study to be considered a true experiment according to Campbell and Stanley, there must be at least ____ level(s) of the independent variable.
 
  a. random
  b. 1
  c. 2
  d. 3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Loise Hard

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

C


drink

  • Member
  • Posts: 554
Reply 2 on: Jun 20, 2018
Excellent

cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli
The Hershey-Chase Experiment p2 The Hershey-Chase Experiment p2
Clinical decision making for groups Clinical decision making for groups
Primary Groups: Families Primary Groups: Families
The Distribution of Dominant and Minority Groups The Distribution of Dominant and Minority Groups
Characteristics of Some Protist Groups Characteristics of Some Protist Groups
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library