« previous next »

Author Question: In a preexperimental design specific events may occur between the pretest and the posttest, which ... (Read 198 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
on: Jun 20, 2018
In a preexperimental design specific events may occur between the pretest and the posttest, which cause changes that are measured on the posttest. This represents a failure to control
 
  a. randomization.
  b. maturation.
  c. pretest sensitivity.
  d. reactivity.
  e. history.

Question 2

Choose the type of validity evidence that a researcher would need to determine the score validity of the following kinds of instruments. A test designed to measure what fourth graders know about long division.
 
  a. evidence based on content.
  b. evidence based on relationship to other variables
  c. evidence based on construct measured


kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jun 20, 2018
Answer to Question 1

E

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

LaDunn

  • Hero Member
  • *****
  • Posts: 526
Reply #2 on: Jun 20, 2018
Thank you


kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Events of the postabsorptive state. Events of the postabsorptive state.
PCR primers detect and amplify a specific genomic region PCR primers detect and amplify a specific genomic region
Activity versus specific activity Activity versus specific activity
The Events of the Germinal Period The Events of the Germinal Period
Absorption & Stripping Design Random packing materials Absorption & Stripping Design Random packing materials
Java Software Solutions: Foundations of Program Design Java Software Solutions: Foundations of Program Design
Video: Calvin cycle (The light-independent reactions )

For a complete list of videos, visit our video library