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
NeX [460]
3 years ago
15

A scientist has a hunch that students learn best when they write down information with a pencil or pen. He organizes his student

s into two groups. Half of his students use pencil use pencil or pen to take notes in class every day and the other half type their notes on their laptops. At the end of the unit, all the students take the test and he looks at their scores to determine the outcome of the experiment. What is the dependent and independent variable? 100 points!!!!
Biology
1 answer:
user100 [1]3 years ago
3 0

Answer:

The correct answer would be :

independent variable : use of pen or pencil

Dependent variable : test scores (test of learning ability)

Explanation:

Independent variable of any scientific investigation or experiment is a variable that is manipulated or changed to see the change in dependent variable. In this case the variable that is changed or manipulated is use of pen or pencil to see that effect on learning ability.

Dependent variable is something that is measured or calculated to find the effect of the independent variable. In this case the dependent variable is test score that will provide idea that if hunch of scientist is true or not.

Thus, the correct answer would be :

independent variable : use of pen or pencil

Dependent variable : test scores (test of learning ability)

You might be interested in
The juxtaglomerular cells release the enzyme ______________ when the macula densa cells detect low blood volume or solute concen
zhuklara [117]

Renin enzyme

Renin enzyme are also known as angiotensinogenase and function by regulating the body means arterial blood pressure. They do circulate in the blood stream and digest angiotensinogen that was secreted in the liver into peptide angiotensin 1. Thus, they are secreted by the kidney and placenta.






5 0
3 years ago
Half of the polar bears in a small population die this population may experience changes due to
Veronika [31]
Climate changes thats what im guessing .. not too sure though ... sorry 
4 0
3 years ago
Test!!!!! Help!!!! Please!!!
maria [59]
C I think not 100% sure
3 0
3 years ago
A client who had a myocardial infarction is in the coronary care unit on a cardiac monitor. the nurse observes runs of ventricul
aivan3 [116]

When the nurse has observed of a patient who runs a ventricular tachycardia, it would likely show that their no presence of P waves, there is a wide QRS complex in the monitor and the rate would range between 100 to 250, if all manifest this in the monitor, it is likely that the patient has ventricular tachycardia. The medication that the nurse should give to the client who has exhibit this should have an anti-dysrhythmic drugs, that is important in the first line of treatment. Drugs of these kind include, lidocaine, procainamide and even amiodarone. If there is a need to correct the rhythm, it is likely that cardioversion is given as a treatment.

6 0
3 years ago
What are the basic building blocks of matter?<br><br> a. elements<br> b. atoms<br> c. molecules
Otrada [13]

Answer:

b. atoms

Explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • Dehydration increases the risk of thrombus formation.<br> a. true<br> b. false
    14·1 answer
  • Arrange the steps of energy production in the correct order.
    5·1 answer
  • The area or kind of community that would have the highest portion of the species reproducing by asexual means is a: a) tropical
    10·1 answer
  • Sort the labels into the correct bin according to the effect that gramicidin would have on each process.
    11·1 answer
  • Perhatikan ciri-ciri pembelahan sel berikut! 1) Nukleus menghilang. 2) Kromatid menuju bidang ekuator. 3) Tiap-tiap kromatid yan
    12·1 answer
  • This is a __________ reaction and the product(s) is/are A) replacement; aluminum. B) decomposition; oxygen. C) synthesis; alumin
    12·2 answers
  • Includes parenchyma, collenchyma, and sclerenchyma
    15·1 answer
  • What color are tigers under their fur?
    10·1 answer
  • Which of the following domains include prokaryotic organisms?
    10·1 answer
  • Scientists should not repeat experiments to see if their data is reproducible. Please select the best answer from the choices pr
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!