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

Author Question: What is a common approach used by researchers to control for the possible influences of history and ... (Read 14 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
on: Jun 22, 2018
What is a common approach used by researchers to control for the possible influences of history and maturation in a longitudinal experiment?
 
  a) Include a placebo group in the design.
  b) Include an additional experimental condition in the design.
  c) Include a no-treatment group in the design.
  d) Control for differences in the history of participants.

Question 2

Which of the following is NOT a threat to the internal validity of an experiment?
 
  a) History
  b) Maturation
  c) Attrition
  d) Sample characteristics


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Shshxj

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: c

Answer to Question 2

Answer: d


scienceeasy

  • Member
  • Posts: 565
Reply 2 on: Jun 22, 2018
Excellent

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Common bandaging methods Common bandaging methods
Camera History Camera History
Density of some common substances Density of some common substances
Common Factoring Example Common Factoring Example
A common autosomal recessive allele can produce a pedigree that looks like an autosomal dominant tra A common autosomal recessive allele can produce a pedigree that looks like an autosomal dominant tra
Points of control over eukaryotic gene expression. Points of control over eukaryotic gene expression.
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

For a complete list of videos, visit our video library