This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A limitation of ex post facto research is that a. null hypotheses cannot be tested. b. random ... (Read 121 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
on: Jun 20, 2018
A limitation of ex post facto research is that
 
  a. null hypotheses cannot be tested.
  b. random sampling is not possible.
  c. behavioral observations are difficult and time consuming.
  d. comparison groups cannot be used.
  e. generalizations concerning cause and effect are difficult to justify.

Question 2

Choose the internal validity problem that is associated with the situations listed. Extreme scores move toward the mean.
 
  a. history
  b. maturation
  c. experimenter effect
  d. statistical regression
  e. diffusion


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jasonq

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 20, 2018
Answer to Question 1

E

Answer to Question 2

D


D2AR0N

  • Member
  • Posts: 561
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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.

The relative proportions of body region representation in the motor cortex (anterior to the central The relative proportions of body region representation in the motor cortex (anterior to the central
An ECT sensor being tested using a digital meter set to DC volts. A chart showing the voltage ... An ECT sensor being tested using a digital meter set to DC volts. A chart showing the voltage ...
Post-term birth rates, by province/territory, Canada Post-term birth rates, by province/territory, Canada
Scientists do research in the laboratory and in the field Scientists do research in the laboratory and in the field
If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ... If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ...
Seven bacteriophage deletion mutations (1 to 7 in the table below) are tested for their ability ... Seven bacteriophage deletion mutations (1 to 7 in the table below) are tested for their ability ...
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library