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Author Question: Which of the following is the best formulated hypothesis? a. A psychologist wonders if caffeine ... (Read 59 times)

Chloeellawright

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on: Jun 20, 2018
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.


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fraziera112

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Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

A


Chloeellawright

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Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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