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Author Question: A researcher is exploring possible reasons for some children being put into gifted programs and ... (Read 285 times)

Evvie72

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on: Jun 20, 2018
A researcher is exploring possible reasons for some children being put into gifted programs and other children not being entered into gifted programs. This study is ex post facto because the
 
  a. subjects are already known to differ on the dependent variable.
  b. subjects are already known to differ on the independent variable.
  c. a and b.
  d. None of these are true.

Question 2

A researcher plans a special series of classroom lessons designed to increase students' verbal skills. A control group does not have the lessons. Which of the following would most likely be threats to internal validity?
 
  a. History
  b. Hawthorne effect
  c. Teacher expectations effect
  d. Mortality
  e. b and c


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ktidd

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Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

E


Evvie72

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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