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

Author Question: What can help rule out the threats to internal validity in an experimental design? a. proper ... (Read 80 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Aug 13, 2018
What can help rule out the threats to internal validity in an experimental design?
 
  a. proper selection and assignment of subjects to groups
  b. large sample size
  c. small sample size
  d. nothing can rule out threats to internal validity

Question 2

What type of design is illustrated in the following diagram? Experimental Group 0 X 0 Control Group 0 0 Measurement time1 time2 time3
 
  a. time-series design
  b. classical experiment
  c. cohort design
  d. nonequivalent-groups design


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrtceo

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 13, 2018
Answer to Question 1

a

Answer to Question 2

b


Jkov05

  • Member
  • Posts: 556
Reply 2 on: Aug 13, 2018
Great answer, keep it coming :)

bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Internal anatomy of a female cricket Internal anatomy of a female cricket
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Use the product rule to find derivative Use the product rule to find derivative
Example of the oligonucleotide probe design Example of the oligonucleotide probe design
Experimental evidence of cytoplasmic localization in an amphibian oocyte. Experimental evidence of cytoplasmic localization in an amphibian oocyte.
EXPERIMENTAL INSIGHT EXPERIMENTAL INSIGHT
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library