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

question 140

Short Answer

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, the among-group variation or SSA is ________.

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Definitions:

Momentary Sensory Memory

A type of memory that holds information from the sensory system for a very brief period, often only fractions of a second.

Iconic Memory

A type of visual sensory memory that holds an image of a visual stimulus for a brief moment after the stimulus has disappeared.

Visual Stimuli

External prompts that are seen by the eye and can influence the viewer's behavior or psychological state.

Chunking

A cognitive strategy for organizing information into more manageable units or chunks, enhancing memory and recall.