Author Question: Why do researchers not conduct several t-tests to analyze experiments that have more than two ... (Read 61 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
Why do researchers not conduct several t-tests to analyze experiments that have more than two conditions?
 
  a. the means will be invalid
  b. the sample size is too small
   c. Type I error is inflated
  d. the power of the analysis is low
  e. all of the above

Question 2

Who developed the t-test?
 
  a. Galton
   b. Gossett
  c. Pearson
  d. Fisher
  e. Guinness



rachel

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

For a complete list of videos, visit our video library