This topic contains a solution. Click here to go to the answer

Author Question: Tamara's class experiment involves measuring reaction time. She uses one timer for the experimental ... (Read 81 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
Tamara's class experiment involves measuring reaction time. She uses one timer for the experimental group and a second timer for the control group. Conducting the experiment this way can possibly introduce a confound based on:
 
  a. mortality.
  b. statistical regression.
  c. instrumentation.
  d. maturation.

Question 2

When participants in an experiment communicate with each other, the difference between groups may be reduced. This is called:
 
  a. diffusion.
  b. dissension.
  c. dissemination.
  d. statistical regression.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

C

Answer to Question 2

A





 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

For a complete list of videos, visit our video library