« previous next »

Author Question: How does caffeine affect eye-hand coordination? a. increases b. decreases c. depends on the ... (Read 32 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
on: Jun 22, 2018
How does caffeine affect eye-hand coordination?
 
  a. increases
  b. decreases
  c. depends on the dosage
  d. there is no effect

Question 2

How does caffeine affect human task performance?
 
  a. It increases performance.
  b. It decreases performance.
  c. It increases performance in some areas and decreases it in others.
  d. Caffeine does not affect performance.


pangili4

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jun 22, 2018
Answer to Question 1

b

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jun 22, 2018
Thank you!


pangili4

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jun 22, 2018
Happy to help


« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

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

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Dispense 2–3 ml of hand sanitizer into the palm of the hand. Dispense 2–3 ml of hand sanitizer into the palm of the hand.
Surgical Hand Hygiene/Sterile Scrub Surgical Hand Hygiene/Sterile Scrub
Skeletal muscles of the shoulder, arm, and hand. Skeletal muscles of the shoulder, arm, and hand.
Shake the calf muscles. Pick up the calf muscles with one hand, and shake them back and forth. Shake the calf muscles. Pick up the calf muscles with one hand, and shake them back and forth.
Control you knife with one hand and hold the item being cut with the other (2 of 3) Control you knife with one hand and hold the item being cut with the other (2 of 3)
Polyploidy increases fruit size Polyploidy increases fruit size
Video: Rods and Cones Animation

For a complete list of videos, visit our video library