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Welcome to the Evaluation Techniques MCQs Page

Dive deep into the fascinating world of Evaluation Techniques with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Evaluation Techniques, a crucial aspect of Human Computer Interaction. In this section, you will encounter a diverse range of MCQs that cover various aspects of Evaluation Techniques, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Human Computer Interaction.

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Check out the MCQs below to embark on an enriching journey through Evaluation Techniques. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Human Computer Interaction.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Evaluation Techniques. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Evaluation Techniques MCQs | Page 7 of 23

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Q61.
What should be considered when deciding between field studies and laboratory studies for usability evaluation?

a.

Maintaining contextual information only

b.

Balancing costs, contextual information, and participant disruption

c.

Favoring field studies in all cases

d.

Prioritizing controlled experiments over both options

Discuss
Answer: (b).Balancing costs, contextual information, and participant disruption Explanation:When deciding between field studies and laboratory studies, it's important to balance the costs, contextual information, and potential participant disruption.
Q62.
What is one of the key advantages of using a controlled experiment for evaluating a design or aspect of a design?

a.

Natural context

b.

Subjective observations

c.

Pragmatic considerations

d.

Empirical evidence

Discuss
Answer: (d).Empirical evidence Explanation:A controlled experiment provides empirical evidence to support a particular claim or hypothesis, making it a powerful method for evaluation.
Q63.
In the context of experimental evaluation, what role do experimental conditions play?

a.

They determine the availability of resources.

b.

They influence participant characteristics.

c.

They are the attributes of participant behavior being measured.

d.

They represent different values of controlled variables.

Discuss
Answer: (d).They represent different values of controlled variables. Explanation:Experimental conditions are variations in the values of controlled variables, and changes in participant behavior are attributed to these conditions.
Q64.
What is the importance of choosing participants closely matching the expected user population in experimental evaluation?

a.

To minimize the impact of experimental conditions.

b.

To ensure a controlled environment.

c.

To increase the sample size.

d.

To enhance the representativeness of the results.

Discuss
Answer: (d).To enhance the representativeness of the results. Explanation:Participants should match the expected user population to enhance the validity and generalizability of the experiment's results.
Q65.
According to Nielsen and Landauer, how many participants are recommended for usability testing to uncover usability problems?

a.

1 participant

b.

3 participants

c.

5 participants

d.

More than 5 participants

Discuss
Answer: (c).5 participants Explanation:Nielsen and Landauer suggest that usability testing with about 5 participants is likely to uncover a significant portion of usability problems.
Q66.
What factor determines the appropriate sample size for a controlled experiment in usability evaluation?

a.

Pragmatic considerations

b.

Availability of participants

c.

Statistical methods chosen

d.

Number of experimental conditions

Discuss
Answer: (c).Statistical methods chosen Explanation:The appropriate sample size is determined by the statistical methods chosen for analysis, ensuring that results are statistically meaningful.
Q67.
In an experimental evaluation, what is the purpose of independent variables?

a.

They are measured to determine outcomes.

b.

They are manipulated to change the experimental conditions.

c.

They depend on the value of dependent variables.

d.

They indicate the quality of user performance.

Discuss
Answer: (b).They are manipulated to change the experimental conditions. Explanation:Independent variables are manipulated to create different conditions for comparison in an experiment.
Q68.
What is a level of an independent variable in an experimental study?

a.

A measurement taken from the dependent variable.

b.

The number of participants in the experiment.

c.

A condition created by manipulating the independent variable.

d.

The ratio of dependent variables to independent variables.

Discuss
Answer: (c).A condition created by manipulating the independent variable. Explanation:A level of an independent variable represents a specific value or condition created by manipulating that variable.
Q69.
What is the role of dependent variables in an experimental evaluation?

a.

They are manipulated to change the experimental conditions.

b.

They represent the factors that are controlled in the experiment.

c.

They determine the values of independent variables.

d.

They are measured and their values depend on changes in the independent variable.

Discuss
Answer: (d).They are measured and their values depend on changes in the independent variable. Explanation:Dependent variables are measured, and their values depend on the changes made to the independent variables.
Q70.
If an experiment investigates the impact of both font size and color on user reading speed, how many independent variables are there?

a.

1 independent variable

b.

2 independent variables

c.

3 independent variables

d.

4 independent variables

Discuss
Answer: (b).2 independent variables Explanation:In this case, font size and color are two independent variables being investigated.
Page 7 of 23

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