Finding Out What Users Do and How They Do It

question 19

Multiple Choice

Finding out what users do and how they do it part of the ______ phase of the software development life cycle.

• A)planning
• B)requirements-gathering and analysis
• C)design
• D)maintenance

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Definitions:

Group Difference

The observed variance or deviation between two or more groups in a study, measured in terms of the dependent variable.

Two-Tailed Test

A hypothesis test where the alternative hypothesis specifies that the parameter can differ from the hypothesized value in either direction (i.e., larger or smaller).

Directional Hypothesis

A hypothesis that specifies the direction of the expected difference or relationship between variables.

T Statistic Value

A value derived from a T-test used to determine if there is a significant difference between the means of two groups.