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

Author Question: Sometimes researchers are surprised to find no effect in a study when in fact there really is an ... (Read 200 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jul 24, 2018
Sometimes researchers are surprised to find no effect in a study when in fact there really is an effect in the population. This type of result is known as
 a. the significance level of the test.
  b. the power of the study.
  c. a Type 1 error.
  d. a Type 2 error.

Question 2

A significance test based on a small sample may not produce a statistically significant result even if the true value differs substantially from the null value. This type of result is known as
 a. the significance level of the test.
  b. the power of the study.
  c. a Type 1 error.
  d. a Type 2 error.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tdewitt

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

D


sarasara

  • Member
  • Posts: 521
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

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.

The Greenhouse Effect The Greenhouse Effect
Effect of a Black Hole’s Tidal Force on Infalling Matter Effect of a Black Hole’s Tidal Force on Infalling Matter
Inverse Relation Between IQ and Disease. Could this explain the Flynn effect? Inverse Relation Between IQ and Disease. Could this explain the Flynn effect?
Sperry’s classic study of eye rotation and regeneration. Sperry’s classic study of eye rotation and regeneration.
Effect of Productivity Improvement in the Malthusian Model Effect of Productivity Improvement in the Malthusian Model
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: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library