A Company Is Researching the Effectiveness of a New Website

question 31

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 are shown here. What is the null hypothesis?

• A)H₀: µ_d = 0
• B)H₀: µ_d ≠ 0
• C)H₀: µ_d ≤ 0
• D)H₀: µ_d ≥ 0

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Definitions:

Behavior Therapy

A form of mental health treatment aimed at altering unwanted behaviors by using methods of conditioning.

Behavior Control

The process of regulating or directing actions and responses to achieve desired outcomes.

Transference

In psychoanalysis, the process by which patients project feelings about significant people in their lives onto the therapist.

Projection

Projection is a psychological defense mechanism where individuals attribute their own undesirable thoughts, feelings, or motives onto someone else.