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 79 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
Wow, this really help

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

The breast, cutaway view showing both internal and external features. The breast, cutaway view showing both internal and external features.
Dynamics of a Grand-Design Spiral Galaxy Dynamics of a Grand-Design Spiral Galaxy
The development of the internal ducts of the male and female reproductive systems from the Wolffian ... The development of the internal ducts of the male and female reproductive systems from the Wolffian ...
To find the derivative use product rule To find the derivative use product rule
The experimental protocol for recombination studies The experimental protocol for recombination studies
The Internal Anatomy of a Long Bone The Internal Anatomy of a Long Bone
Video: The primary factors that affect circulation - MABP, CO and SVR

For a complete list of videos, visit our video library