This topic contains a solution. Click here to go to the answer

Author Question: Which of the following is the best formulated hypothesis? a. A psychologist wonders if caffeine ... (Read 51 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
Which of the following is the best formulated hypothesis?
 
  a. A psychologist wonders if caffeine affects attention.
  b. Does caffeine affect attention?
  c. If caffeine is ingested, attention will be enhanced.
  d. Caffeine and attention: a relationship?

Question 2

Professor James uses a system that requires a subject to press a button as soon as they see a light blink. He is measuring their reaction time. Unfortunately, his equipment is not working properly and every reaction time recorded randomly fluctuates by plus or minus 10. You would conclude that the readings obtained with the equipment are:
 
  a. not reliable and not valid.
  b. reliable but not valid.
  c. not reliable but valid.
  d. reliable and valid.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fraziera112

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

C

Answer to Question 2

A




Chloeellawright

  • Member
  • Posts: 588
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review


pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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.

For a complete list of videos, visit our video library