A Company Is Researching the Effectiveness of a New Website

question 26

Multiple Choice

A company is researching the effectiveness of a new website design to decrease the time to access a website. Five website users were randomly selected,and their times (in seconds) to access the website with the old and new designs were recorded. To compare the times,they computed new website design time − old website design time. The results follow. For a 0.01 significance level,what is the critical value?

• A)−2.256
• B)−1.895
• C)−3.747
• D)−2.447

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Definitions:

Relearning

The process of learning material or skills that were previously learned and then forgotten, which typically takes less time than the initial learning.

Recall

The act of retrieving information or memories from the past, an important aspect of cognitive function.

Three-Box Model

A model of memory that suggests information is processed through three stages: sensory, short-term, and long-term memory.

Sensory Register

The component of memory that holds incoming information from the senses for a very short period of time, allowing initial processing.