A Recent Paper Described an Experiment in Which 72 Students

question 12

Multiple Choice

A recent paper described an experiment in which 72 students at a university were assigned at random to one of two groups. All students took a class from the same instructor in the same semester. Students were required to report to an assigned room at a set time to fill out a course evaluation. One group of students reported to a room where they were offered a small bar of chocolate as they entered. The other group reported to a different room where they were not offered chocolate. Summary statistics for the overall course evaluation score are given in the accompanying table. A 95% confidence interval for the mean difference in overall course evaluation score is:

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Definitions:

Mnemonics

Memory aids, especially those techniques that use vivid imagery and organizational devices to enhance the recall of information.

False Memory Syndrome

False Memory Syndrome refers to a condition in which a person's identity and relationships are affected by strongly believed but false memories of traumatic experiences.

Short-Term Memory

The part of the memory system where information is stored for a short period, typically seconds to minutes.

Rehearsal Function

The process of repetitively practicing or going over information to enhance memory retention.