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
denpristay [2]
3 years ago
14

An educator wishes to study the effects of sleep deprivation on the ability to concentrate. He decides to study the students in

a calculus class. Before the start of the class, each student is asked about the number of hours slept the previous night. Each student's eye movement is then tracked throughout the lecture. The amount of time is recorded whenever the student is not focused on either the instructor or taking notes. This is an example of: O a randomized experiment. O a sample survey. O a matched pairs study. O an observational study.
Social Studies
1 answer:
mylen [45]3 years ago
8 0

Answer:

This is an example of:  <u>a sample survey.</u>

Explanation:

In the experiment to determine the effect of sleep deprivation on the ability of the student to concentrate definitely needs an experimental setup rather than a randomized data collection.

<em>Do to the fact that, the experimental used a small sample sized area (Students in a calculus class) to test his hypothesis shows that the setup is a sample survey. </em>

<u>This sample survey result could be extrapolated to the whoe region (the classes in the school or whole school ) to determine if there was a major significance between the two variables.</u>

You might be interested in
I Will Give You Brainliest Pls Help Asap!
Degger [83]
ANSWER :- I think C
5 0
3 years ago
Read 2 more answers
After World War II, the United Nations voted to
xz_007 [3.2K]

Answer:

A I think it explains it in a book called prisoner B3087

8 0
3 years ago
Read 2 more answers
HELP PLS will mark brainliest
Mrac [35]

Answer:

A

Indions went on missions to promote their religion

7 0
3 years ago
Read 2 more answers
Which of the following can reduce the amount you pay for a good or service?
nasty-shy [4]
I think it would be coupon, comparative shopping, and mail-in rebate 



               hope this helps 
7 0
3 years ago
Read 2 more answers
Write any three precondintion of development​
-Dominant- [34]

Answer:

Three preconditions of development are increased trade, improved transportation networks, and entrepreneurship.

Explanation:

In the context of W. W. Rostow's preconditions of economic development, an economy begins to transition from a subsistence-based economy based on agriculture and barter where there is only limited amounts of capital into a society where there is increased specialization and increasing transportation networks in order to foment trade.  Because people start to generate more income from trade and production surpluses, there is greater entrepreneurship and industriousness. Societies begin to trade primary products with other nations.  At present, the notion of sustainable development is dominant in the literature and in development spheres like NGOs and International organizations. This entails some controls of population pressure and efficient, renewable uses of environmental resources.

5 0
3 years ago
Other questions:
  • Why did the process of states ratifying the constitution slow after five states had ratified it? A. southern states were not hap
    14·2 answers
  • A group of friends live near each other and babysit each other’s children. They support each other when problems occur, and they
    10·1 answer
  • What body of water lies southeast of India
    14·1 answer
  • Norms that exist in our society include
    14·1 answer
  • He was a 17th century British scientist who proved that when "a fixed amount of an ideal gas kept at a fixed temperature, pressu
    9·1 answer
  • Book is our best friend
    10·2 answers
  • Please help me in this because I need to get my grade up
    11·1 answer
  • What would most likely happen when air is heated?
    7·2 answers
  • Michael is giving a poster presentation of Adler's birth order theory in his Theories of Personality class. In the section on hi
    11·1 answer
  • Once we reach the age of eighteen we no longer experience the process of socialization. true or false?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!