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Author Question: Nonexperimental research methods consist of which of the following? a) test causal relationships ... (Read 34 times)

Tazate

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on: Jul 13, 2018
Nonexperimental research methods consist of which of the following?
 
  a) test causal relationships between variables
  b) only describe characteristics of existing phenomenon
  c) can be descriptive, historical, or correlational
  d) examine factors that are not related

Question 2

If you have conducted a study using the regression-discontinuity design, how would you tell if your treatment had an effect?
 
  a. by looking at the data to see if the regression line of the posttest scores differs from the regression line of pretest scores.
  b. by statistically analyzing the data using Analysis of Variance.
  c. by comparing the pretest scores with the posttest scores to see if there was a significant change.
   d. by determining if there is a discontinuity in the regression line for the people above and below the cutoff score.


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frejo

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Reply #1 on: Jul 13, 2018
Answer to Question 1

c

Answer to Question 2

D


Tazate

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Reply 2 on: Jul 13, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
:D TYSM

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