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Author Question: Construct validity involves skillful reasoning rather than measurement, since there may seldom exist ... (Read 30 times)

abarnes

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on: Aug 17, 2018
Construct validity involves skillful reasoning rather than measurement, since there may seldom exist any criterion against which the measure may be compared.
 
  Indicate whether the statement is true or false

Question 2

What are alveoli, and what role do they play in circulation?
 
  What will be an ideal response?


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deja

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Reply #1 on: Aug 17, 2018
Answer to Question 1

T

Answer to Question 2

Answer should include points such as the following:
Alveoli are small sacs in the lungs through whose walls air and other gases are exchanged between the breath and the blood.
At the surface of the alveolar sacs, blood flowing through the capillaries comes in contact with fresh oxygenated air in the sacs. Oxygen passes through the walls of the alveoli into the blood while carbon dioxide is discharged from the blood into the air in the lungs.


abarnes

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Reply 2 on: Aug 17, 2018
:D TYSM

tkempin

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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