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Research Techniques in Computer Science

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Questions and Answers

What is the primary goal of controlled experiments in computer science research?

To manipulate as many independent variables as possible
To intentionally maintain all factors constant
To observe and measure the effects of manipulations (correct)
To draw conclusions about correlation between variables

What is the key characteristic of a controlled experiment in computer science research?

Random manipulation of variables
Lack of observation and measurement
Intentional manipulation of independent variables (correct)
Rigorous investigation without manipulation

Which research technique involves the systematic and rigorous manipulation of independent variables?

User studies and surveys
Performance metrics
Simulation
Controlled experiments (correct)

What distinguishes controlled experiments from other research techniques like simulation or user studies?

The intentional manipulation of independent variables (D) Signup and view all the answers

In a controlled experiment, what is the role of maintaining other factors constant?

To isolate the effects of the manipulated independent variable (D) Signup and view all the answers

What is a key benefit of conducting experiments under controlled conditions?

To ensure that all relevant variables remain constant for both groups (D) Signup and view all the answers

What is the primary purpose of user studies in computer science research?

To identify usability issues and gather insights into user behavior (B) Signup and view all the answers

What technique involves observing users as they perform specific tasks to evaluate the ease of use and effectiveness of a system?

Usability testing (A) Signup and view all the answers

Why do researchers aim to control extraneous variables in experiments?

To enhance the reliability and validity of their findings (C) Signup and view all the answers

In what context are controlled experiments valuable in computer science?

For evaluating the performance of algorithms, software systems, and networking protocols (B) Signup and view all the answers

What is the primary focus of conducting user interviews in computer science research?

Gaining qualitative insights into user experiences, preferences, and expectations (C) Signup and view all the answers

What do user studies in computer science research involve?

Observing and analyzing how users interact with a system or product (D) Signup and view all the answers

What method is crucial for understanding the user experience and gathering insights into user behavior in computer science research?

User studies (D) Signup and view all the answers

What are researchers able to draw conclusions about after collecting and analyzing data from controlled experiments?

Impact of the manipulated variable on the efficiency of data processing (A) Signup and view all the answers

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