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

question 110

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 A and Brand C at the 5% level of significance.

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Definitions:

Rational-Emotive Therapy

A type of cognitive-behavioral therapy focusing on altering negative thought patterns to overcome emotional and behavioral issues.

Withdrawal Symptoms

Manifestations of physical or psychological nature that emerge when the consumption of a dependent substance is decreased or halted.

Cravings

Intense desires or urges for specific substances or experiences, often associated with addiction.

Addictive Substance

A chemical or compound that causes a compulsive, and often harmful, need for repeated consumption.