A Large Group of Students Were Tested for Their Ability

question 614

Multiple Choice

A large group of students were tested for their ability to distinguish among different tones. Although tone A and tone B were slightly different, more than half the time the group rated the tones as being the same. The difference between tone A and tone B can be said to be less than:

• A) the difference threshold, or just noticeable difference.
• B) the absolute threshold, or average absolute threshold.
• C) the subliminal threshold.
• D) Weber's threshold.

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Definitions:

Null Hypothesis

A hypothesis that assumes no significant difference or effect exists between specified populations or variables.

Population Proportion

The fraction or percentage of a population that shares a particular characteristic or attribute.

Sample Proportion

The proportion or percentage of the sample that has a particular characteristic, often used to estimate the true population proportion.

Independent Samples

Two or more groups of data that are collected from populations that do not overlap, ensuring that the samples do not influence each other.