« previous next »

Author Question: By pretesting the two groups on the dependent variable in a randomized, pretest-posttest, ... (Read 59 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Aug 4, 2018
By pretesting the two groups on the dependent variable in a randomized, pretest-posttest, control-group design, we
 
  A) rule out variance on all variables of all groups.
  B) test for initial equivalence on the dependent variable.
  C) eliminate confounding.
  D) None of the above.

Question 2

The randomized pretest-posttest, control-group design is an improvement over the randomized posttest-only, control-group design because
 
  A) the former adds an additional control group.
  B) the latter employs randomization only at the time of the posttest.
  C) the former adds a pretreatment measurement of the independent variable.
  D) the former adds a pretreatment measurement of the dependent variable.


alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Iron-dependent regulation of mRNA translation and degradation Iron-dependent regulation of mRNA translation and degradation
Context-Dependent Learning Context-Dependent Learning
U.S. Racial-Ethnic Groups U.S. Racial-Ethnic Groups
Variable Gases: Carbon Dioxide Variable Gases: Carbon Dioxide
Proposed mechanism for the reaction catalyzed by flavin-dependent thymidylate synthase Proposed mechanism for the reaction catalyzed by flavin-dependent thymidylate synthase
Blood Groups and Blood Types Blood Groups and Blood Types
Video: Structure of a Ribosome

For a complete list of videos, visit our video library