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

Author Question: Regression toward the mean will probably occur in a matched sample when a. the groups are from ... (Read 433 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jun 20, 2018
Regression toward the mean will probably occur in a matched sample when
 
  a. the groups are from different populations.
  b. the groups are randomly assigned from the same population.
  c. the sample is heterogeneous on the dependent variable.
  d. the sample is homogeneous on the dependent variable.
  e. the sample is heterogeneous on the independent variable.

Question 2

Identify the threats to internal validity illustrated in the example below. The students who scored extremely high on a test would score lower if given the test again.
 
  a. Instrumentation
  b. Experimental mortality
  c. Selection-maturation interaction
  d. Statistical regression
  e. Diffusion


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cassie_ragen

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

D


ssal

  • Member
  • Posts: 572
Reply 2 on: Jun 20, 2018
Wow, this really help

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Medication errors are three times higher among children and infants than with adults.

Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here. Dermatological changes with myxedema can occur behind the eyes or in the lower leg, as shown here.
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
Four cutaneous receptors that occur in human skin. Four cutaneous receptors that occur in human skin.
Replication fork regression as a likely response to a blocking DNA lesion Replication fork regression as a likely response to a blocking DNA lesion
Animated! Organisms are classified into groups according to their characteristics Animated! Organisms are classified into groups according to their characteristics
Video: Bone processes - resorption and deposition, remodeling and response to stress in adult bones

For a complete list of videos, visit our video library