This topic contains a solution. Click here to go to the answer

Author Question: Nonexperimental research methods consist of which of the following? a) test causal relationships ... (Read 28 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frejo

  • Sr. Member
  • ****
  • Posts: 349
Answer to Question 1

c

Answer to Question 2

D




Tazate

  • Member
  • Posts: 532
Reply 2 on: Jul 13, 2018
:D TYSM


nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

For a complete list of videos, visit our video library