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Author Question: _______________ is the basic minimum _______________ that must be present in an experiment before ... (Read 31 times)

Zulu123

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on: Jun 29, 2018
_______________ is the basic minimum _______________ that must be present in an experiment before any conclusion about treatment effects can be made.
 a. External validity, validity c. External reliability, reliability
  b. Internal validity, validity d. Internal reliability, reliability

Question 2

A confidence range is a specified range of numbers within which a population mean is expected to lie.
 
 Indicate whether the statement is true or false


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todom5090

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Reply #1 on: Jun 29, 2018
Answer to Question 1

B
Without internal validity, the experiment is confounded and largely useless for the purpose of causal inference.

Answer to Question 2

F
A confidence interval estimate is a specified range of numbers within which a population mean is expected to lie.


Zulu123

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Reply 2 on: Jun 29, 2018
Great answer, keep it coming :)

mcarey591

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Reply 3 on: Yesterday
Wow, this really help

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