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Author Question: In a study on how different teaching styles affect performance in the first grade while trying to ... (Read 27 times)

savannahhooper

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on: Jun 20, 2018
In a study on how different teaching styles affect performance in the first grade while trying to
  control for a child's upbringing, Marcus forms two groups of participants using identical twins,
  with one child from each pair randomly assigned to
 
  one of two different teaching styles. What
  approach to group assignment is Marcus using?
  A) matched pairs B) repeated measures
  C) natural pairs D) random assignment

Question 2

Why does the t distribution have a smaller peak than a normal distribution?
 
  A) The t distribution has a smaller standard deviation.
  B) The t distribution represents fewer individual scores.
  C) The t distribution represents more individual scores.
  D) The normal distribution has a smaller standard deviation.


jointhecircus

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

C

Answer to Question 2

B


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