Case-Based Critical Thinking Questions Case 7-2 Rina Has Just Completed

question 68

Multiple Choice

Case-Based Critical Thinking Questions Case 7-2 Rina has just completed some coursework in Excel application writing and wants to begin developing her own macros to share more widely. She knows that she has to learn more about digital signatures in order to make her plan a reality. Based on what she has learned, which of the following would Rina say is a true statement about digital signatures?

• A)Adding a digital signature is the first step before you distribute a file.
• B)A digital signature is often used to identify the author of a workbook that contains macros.
• C)Before you can add a digital ID to a workbook, you need to obtain a digital signature.
• D)Digital certificates are usually issued by Microsoft.

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Definitions:

Experimental Manipulation

The process of intentionally changing a variable in an experiment to study its effects on other variables.

Interrupted Time Series Design

A design in which the effectiveness of a treatment is determined by examining a series of measurements made over an extended time period both before and after the treatment is introduced. The treatment is not introduced at a random point in time.

Control Series

A control series is a sequence of observations or measurements used in experiments or statistical analysis as a standard of comparison to detect changes or effects.

Way to Improve

Strategies or methods employed to enhance performance, quality, or efficiency in various contexts.