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

Author Question: When there is a significant time lapse between pretest and posttest measures, the confounding ... (Read 102 times)

serike

  • Hero Member
  • *****
  • Posts: 542
on: Aug 4, 2018
When there is a significant time lapse between pretest and posttest measures, the confounding variable most likely to affect results would be
 
  A) history.
  B) regression to the mean.
  C) instrumentation.
  D) selection.

Question 2

Threats to internal validity due to ________ are greatest when a long time has passed between pretest and posttest measurements.
 
  A) regression to the mean
  B) history
  C) effects of testing
  D) scoring errors
 
  Fill in the blank with the correct answer.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xoxo123

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


serike

  • Member
  • Posts: 542
Reply 2 on: Aug 4, 2018
Great answer, keep it coming :)

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Tracking time of marker entry generates a chromosome map Tracking time of marker entry generates a chromosome map
Having a time zone map located near the telephone will assist you when making long distance calls ou Having a time zone map located near the telephone will assist you when making long distance calls ou
Drug development time line. Drug development time line.
Continental Drift: An Idea Before Its Time Continental Drift: An Idea Before Its Time
Disitive Time For Water Disitive Time For Water
The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ... The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ...
Video: Morphology of a tomato plant

For a complete list of videos, visit our video library