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Author Question: Which of the following threatens the internal validity of an experiment? a. using more than one ... (Read 46 times)

geodog55

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on: Jun 22, 2018
Which of the following threatens the internal validity of an experiment?
 
  a. using more than one dependent variable
  b. failing to use a representative sample
  c. using an independent variable with more than one level
  d. failing to assign participants randomly to conditions

Question 2

An experimenter finds out that the p-value in his study is 3 in 100. What does this mean?
 
  a. His results have a 3 percent chance of being valid.
  b. He has a 3 percent chance of finding these results by chance alone.
  c. He has a 3 percent chance that his hypothesis is correct.
  d. He has a 30 percent chance that his study had good internal validity.


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nekcihc358

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


geodog55

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Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it

ktidd

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Reply 3 on: Yesterday
Wow, this really help

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