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

Author Question: A researcher begins a study with 250 subjects, and 50 subjects drop out before the study is ... (Read 111 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Jul 8, 2018
A researcher begins a study with 250 subjects, and 50 subjects drop out before the study is concluded. The researcher will declare 20 as the sample
 
  a. acceptance rate.
  b. attrition rate.
  c. refusal rate.
  d. retention rate.

Question 2

A pilot study reveals a wide variation in measurement values among subjects with an overall mean value that is higher than among the general population. By increasing the sample size in a subsequent study, the researcher expects to
 
  a. decrease the variation of scores among subjects.
  b. increase the variation of scores among subjects.
  c. decrease the mean value of scores among subjects.
  d. increase the mean value of scores among subjects.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jackie

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: B

Answer to Question 2

ANS: A


Hungry!

  • Member
  • Posts: 1,071
Reply 2 on: Jul 8, 2018
:D TYSM

adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Modern primate study sometimes involves high-tech methods. This golden lion tamarin is having a batt Modern primate study sometimes involves high-tech methods. This golden lion tamarin is having a batt
Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit.
When the voltage drop reaches approximately 1.20 volts, the PCM turns on a transistor. The ... When the voltage drop reaches approximately 1.20 volts, the PCM turns on a transistor. The ...
Checking the voltage drop between the TP sensor ground and a good engine ground with the ignition ... Checking the voltage drop between the TP sensor ground and a good engine ground with the ignition ...
The Sacred Quest: An invitation to the Study of Religion The Sacred Quest: An invitation to the Study of Religion
Manhattan plots resulting from a genome-wide association study of seven common human disease Manhattan plots resulting from a genome-wide association study of seven common human disease
Video: Kidney Stones

For a complete list of videos, visit our video library