Which of the Following Is a Good Use for an Anonymous

question 51

Multiple Choice

Which of the following is a good use for an anonymous class?

• A) Use an anonymous class to implement polymorphism.
• B) Use an anonymous class to implement a callback.
• C) Use an anonymous class when all methods of the class will be static methods.
• D) Use an anonymous class when the program will only need one object of the class.

Distinguish between survey and questionnaire and identify problems in survey design.

Grasp the concept of causality in survey research.

Learn the principles of effective questionnaire design, including question types and formats.

Understand how to design surveys that address sensitive topics effectively.

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Definitions:

Dependent Variable

In research, the variable that is measured or observed to determine the effect of the independent variable.

Extraneous Variable

In an experiment, a variable other than the independent variable that could influence the outcome of the experiment and must be controlled.

Independent Variable

An independent variable is a factor in a scientific experiment that is manipulated to observe its effect on the dependent variable.

Independent Variables

Variables in an experiment that are manipulated or changed by the researcher to determine their effects on dependent variables.