« previous next »

Author Question: Holding a variable constant is a technique for removing one threat to ____ but it can limit the ____ ... (Read 186 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?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Summation of Heart Sounds, Variable S1 Summation of Heart Sounds, Variable S1
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
Washing hands and removing jewelry are two important safety habits all service technicians ... Washing hands and removing jewelry are two important safety habits all service technicians ...
Variable Gases: Methane Variable Gases: Methane
Passive shoulder roll: mobilizing technique for the shoulder with recipient in supine position. Passive shoulder roll: mobilizing technique for the shoulder with recipient in supine position.
titration technique titration technique
Video: Fetal development - Weeks 9 to 38

For a complete list of videos, visit our video library