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 62 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
Wow, this really help

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Post-transcription Modification Post-transcription Modification
Research reveals that children’s motives for engaging in sports are to have fun and gain skills ... Research reveals that children’s motives for engaging in sports are to have fun and gain skills ...
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 ...
Different ways to test hypotheses Different ways to test hypotheses
Research that has examined babies' ability to recognize themselves develops in the 2 year Research that has examined babies' ability to recognize themselves develops in the 2 year
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 ≤ ...
Video: Cardiac conductile cells

For a complete list of videos, visit our video library