« previous next »

Author Question: Holding a variable constant is a technique for removing one threat to ____ but it can limit the ____ ... (Read 173 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
on: Jun 19, 2018
Holding a variable constant is a technique for removing one threat to ____ but it can limit the ____ of an experiment.
 
  a. internal validity; external validity
  b. external validity; internal validity
  c. internal validity; reliability
 d. external validity; reliability

Question 2

In sampling notation, N refers to the ____.
 
  a. number of cases in the sampling frame
  b. number of cases in the sample
 c. number of possible subsets
 d. sampling fraction


huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jun 19, 2018
Answer to Question 1

a

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Technique of Direct Percussion Technique of Direct Percussion
The heavily worn, and sometimes cutmarked, anterior teeth of Neadertals suggest that these teeth wer The heavily worn, and sometimes cutmarked, anterior teeth of Neadertals suggest that these teeth wer
Variable Gases: Methane Variable Gases: Methane
Assist recipient into side-lying position. Woman sits on edge of table holding drape to cover her ... Assist recipient into side-lying position. Woman sits on edge of table holding drape to cover her ...
Removing the sheet from underneath the client. Removing the sheet from underneath the client.
The permissible exposure limit (PEL) and immediately dangerous to life and health (IDLH) ... The permissible exposure limit (PEL) and immediately dangerous to life and health (IDLH) ...
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library