Author Question: Age could affect reaction time, as well as nicotine. How could the researcher have controlled for ... (Read 38 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
Age could affect reaction time, as well as nicotine. How could the researcher have controlled for this potential extraneous variable?
 
  a) by randomly selecting participants from the population
  b) by counterbalancing the order of stimulus presentation across participants
   c) by matching each participant in the experimental group with a participant of the same age in the control group
  d) by using a different dependent variable

Question 2

You should write out numbers (e.g., twenty five) when
 
  a. beginning a sentence.
  b. it is larger than ten.
  c. it represents something other than data.
  d. using the metric system.



olivia_paige29

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library