1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
miss Akunina [59]
3 years ago
15

Elias conducted an experiment about the effects of exercise on the heart rate of teenagers. Before morning basketball practice,

he asked the members of his high school team to be his subjects. He measured each of their heart rates before and after a set of exercises. Which change would most reduce the bias of his experimental design?
Biology
1 answer:
algol133 years ago
4 0
What would most likely reduce the bias present in Elias' experimental design would be to not ask just the members of his high school team to be the subjects because they represent a very specific group of people. It would be much better to use a random group of people and have them do the same thing. 
You might be interested in
Simple, prokaryotic organisms have been on Earth for over 3 billion years and have been able to grow and evolve into many differ
mrs_skeptik [129]

A) The nucleus is the answer

6 0
3 years ago
Read 2 more answers
Is throwing a curve ball an example of potential or kinetic energy?
shutvik [7]
Throwing a ball is an example of kinetic energy. I do not have any proof or any reasons, but for now I just know that it's kinetic energy. You can also look it up and you'll see the answer automatically. Hope this helps :) If you want any proof, please feel free to ask me thru contact :)
3 0
3 years ago
A category of personality tests in which individuals answer a series of questions about personal behavior is called a _________.
serg [7]

The correct answer is C. self-report inventory.

A self-report inventory test is a category of personality tests in which individuals answer a series of questions about personal behavior. Self -report inventory asks questions directly about their personal interest, values, symptoms and behaviors. it may takes five to fifteen minutes to complete test.

6 0
3 years ago
Read 2 more answers
The comparison of the actual amount of water vapor in the air to the maximum amount of water vapor the air could hold is called
Serhud [2]

Answer:

D.

Explanation:

This amount of space in air that can hold water changes depending on the temperature and pressure.

8 0
3 years ago
Read 2 more answers
What is the answer to this?
vfiekz [6]
A just try your best Buddy you can do this
4 0
3 years ago
Other questions:
  • Serves as the molecular basis for life. DNA copies itself via the process of . RNA is produced from DNA via the process of . Pro
    5·1 answer
  • This type of learning can develop skills like physical strength and endurance, social bonding, and cognitive abilities:
    7·2 answers
  • Your sense of __________ could indicate that there is something wrong with your car or your health.
    9·2 answers
  • A person you are helping is awake and alert but is complaining of a severe headache, pain in their abdomen and nausea. you obser
    5·1 answer
  • Which process is BEST represented by the following chemical equation?
    13·1 answer
  • What are the polymers of nucleic acids called
    13·2 answers
  • The idea that the brain is extremely malleable and is continuously chainging as a result of injury, experiences, or substances i
    7·1 answer
  • A biome is best described as a major type of ecosystem with _____.
    10·1 answer
  • I NEED HELP!!!! What 4 minerals most commonly found in rocks?
    12·2 answers
  • what is the major difference between the normal stomach cells and cancerous stomach cells of the chicken?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!