Keyboard and Word Processing Narrative

question 90

Essay

Keyboard and Word Processing Narrative
The data shown below were taken from a 2 * 3 factorial experiment to examine the effects of factor A (keyboard configuration, 3 levels) and factor B (word processing package, 2 levels). Each cell consists of four replicates, representing the number of minutes each of four secretaries randomly assigned to that cell required to type a standard document.
Factor B
-Refer to Keyboard and Word Processing Narrative. Is there sufficient evidence at the 5% significance level to infer that factors A and B interact? Explain why or why not.

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Definitions:

Variable-Ratio

A reinforcement schedule where a response is reinforced after an unpredictable number of responses, promoting high and steady response rates.

Contingency

A future event or circumstance that is possible but cannot be predicted with certainty, often used in psychology to describe the relationship between behavior and its consequences.

DRO

Differential Reinforcement of Other behavior, a technique used in behavioral therapy to encourage the occurrence of desired behaviors by only rewarding behaviors other than the undesirable one.

Variable-Ratio

A reinforcement pattern in which a reaction is rewarded following a random number of responses, resulting in consistent and elevated rates of response.