Answer: 3) Confounding variable
Explanation:Confounding variable is the variable that indicates about the external influential factors that produces the manipulated consequences of independent and dependent variable.This variable can lead to producing useless outcomes in an experiment.
According to the question, the changes occurring in interest of student in algebra can be due to the outside factors which are not generating the actual results and thus, experiment is getting ruined.
Other options are incorrect because application variable remain same for the experiment,system variable are the variables of certain system and reliability variables describe about the variable on which dependent or stable.Thus, the correct option is option(3)
Answer:
Social networking sites are used just like the present President of United States of America.
Explanation:
Social media have become ubiquitous communication channels for candidates during election campaigns. Social media platforms enable candidates to directly reach out to voters, mobilize supporters, and influence the public agenda. These fundamental changes in political communication therefore present election candidates with a widened range of strategic choices.
Answer:
The correct answer is : False
Explanation:
It is false because the participants would be able to evaluate each other’s assertions. They would be motivated by the desire of getting a rational consensus. The doctrine is based on the fact that everyone can question any assertion. It also says that every person with the ability to speak and act is permitted to be and take part in a discourse.
A bank account because it helps you keep money and control it well provides you with a plan