Author Question: Age could affect reaction time, as well as nicotine. How could the researcher have controlled for ... (Read 12 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?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library