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

Author Question: In a certain study, different interviewers are used in a pretest from those used in the posttest and ... (Read 92 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Jun 28, 2018
In a certain study, different interviewers are used in a pretest from those used in the posttest and this produces different results in the study. This is an example of a(n) ____.
 a. history effect
  b. mortality effect
  c. instrumentation effect
  d. cohort effect

Question 2

A set of high school students who take the ACT in their junior year perform better on that exam during their senior year because they know better how to take the exam due to what they experienced on the first exam. This is an example of a(n) ____.
 a. mortality effect
  b. testing effect
  c. history effect
  d. instrumentation effect


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

milbourne11

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 28, 2018
Answer to Question 1

C

Answer to Question 2

B


sammy

  • Member
  • Posts: 818
Reply 2 on: Jun 28, 2018
:D TYSM

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s
Researchers must inform potential participants of a study's procedures so that consent may be o Researchers must inform potential participants of a study's procedures so that consent may be o
Jacques-Louis David, Study for the Death of Socrates. Jacques-Louis David, Study for the Death of Socrates.
The areas in which reading-associated increases in activity were observed in the fMRI study of ... The areas in which reading-associated increases in activity were observed in the fMRI study of ...
Study egocentrism in children Study egocentrism in children
Results of a genome-wide association study (GWAS) to detect SNPs Results of a genome-wide association study (GWAS) to detect SNPs
Video: Inflammatory response Animation

For a complete list of videos, visit our video library