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Author Question: Age could affect reaction time, as well as nicotine. How could the researcher have controlled for ... (Read 13 times)

krzymel

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on: Jul 13, 2018
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

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Reply #1 on: Jul 13, 2018
Answer to Question 1

C

Answer to Question 2

A


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