« previous next »

Author Question: By pretesting the two groups on the dependent variable in a randomized, pretest-posttest, ... (Read 43 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?

Your heart beats over 36 million times a year.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Context-Dependent Learning Context-Dependent Learning
Common Blood Test Groups Common Blood Test Groups
A variable valve timing solenoid being controlled by applying voltage from the PCM. A variable valve timing solenoid being controlled by applying voltage from the PCM.
Solow Model with Saving Dependent on Income Level Solow Model with Saving Dependent on Income Level
Blood Groups and Blood Types Blood Groups and Blood Types
Energy flow in the light-dependent reactions of photosynthesis Energy flow in the light-dependent reactions of photosynthesis
Video: Rods and Cones Animation

For a complete list of videos, visit our video library