TABLE 11-8 An Important Factor in Selecting Database Software Is the Time

question 11

True/False

TABLE 11-8
An important factor in selecting database software is the time required for a user to learn how to use the system. To evaluate three potential brands (A, B and C) of database software, a company designed a test involving five different employees. To reduce variability due to differences among employees, each of the five employees is trained on each of the three different brands. The amount of time (in hours) needed to learn each of the three different brands is given below:

Below is the Excel output for the randomized block design:

-Referring to Table 11-8, there is evidence of a significant difference in the mean amount of time needed to learn Brand B and Brand C at the 5% level of significance.

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Definitions:

Social Loafing

The phenomenon where individuals exert less effort when working in a group than when working alone.

Halo Effect

What occurs when one attribute is used to develop an overall impression of a person or situation.

Nominal Group Technique

A structured method for group brainstorming that encourages contributions from everyone in the group and is used to generate and prioritize ideas.

Illusions Of Invulnerability

Illusions Of Invulnerability describe a mistaken belief within a group that its decisions are incapable of error or harm, often leading to excessive risk-taking.