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

Author Question: Control in an experiment can be achieved through: a. random assignment of participants to groups. ... (Read 106 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jun 20, 2018
Control in an experiment can be achieved through:
 
  a. random assignment of participants to groups.
  b. experimental design.
  c. logic.
  d. all of these

Question 2

External validity in an experiment is most related to:
 
  a. participant assignment to groups.
  b. representativeness of the sample.
  c. confounding variables.
  d. a pretest.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jayson

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


joe

  • Member
  • Posts: 627
Reply 2 on: Jun 20, 2018
Gracias!

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

The Meselson and Stahl experiment showing that DNA replication is semiconservative The Meselson and Stahl experiment showing that DNA replication is semiconservative
Feedback control of the adrenal cortex Feedback control of the adrenal cortex
Chimpanzees live in complex kin groups in which lifelong bonds and individual personalities play key Chimpanzees live in complex kin groups in which lifelong bonds and individual personalities play key
The distribution of the number of hours that a random sample of people spend doing chores per ... The distribution of the number of hours that a random sample of people spend doing chores per ...
Random distribution of dandelions Random distribution of dandelions
Davis’s U-tube experiment Davis’s U-tube experiment
Video: Stomach peristalsis - Movement of Food Through the Small Intestine

For a complete list of videos, visit our video library