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: Homogamy
Homogamy is a term used in sociology to describe the tendency for sexually partnered couples to resemble each other, in some culturally important way. It can be based on status, class, gender, ethnicity, or religion, or age. It is a form of assortative mating.
Under Article II of the Constitution, the President is responsible for the execution and enforcement of the laws created by Congress. Fifteen executive departments — each led by an appointed member of the President's Cabinet — carry out the day-to-day administration of the federal government.
Answer:
The answer is A. Operational definition.
Explanation:
The operational definition refers to how operationalization is used to define the terms concerning a process. This process is necessary to determine a phenomenon's nature as well as to know its properties. For example, duration, quantity or chemical composition.
The different procedures could be repeated by anyone or by peers. An operational definition is usually established to have a theoretical definition. The operational definition is related to a process to identify an object through its differences from its empirical experience's background.
