Sarah Has Just Moved to a New City,where She Works

question 18

Multiple Choice

Sarah has just moved to a new city,where she works the night shift at the local hospital.On her way home from work,she walks through a park having a high crime rate.Sarah reasons that she is safe,because there are always a lot of people around.According to the research conducted by Darley and Latané,Sarah is

• A) mistaken;the more people she encounters,the lower the likelihood any one of them would help her in an emergency.
• B) correct;there is safety in numbers,and as long as the park is crowded,she's safe.
• C) mistaken;the more people she encounters in any given situation,the higher the likelihood one of them will attack her.
• D) correct;the more people she encounters,the lower the likelihood that Sarah will even be noticed.

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Definitions:

Methylbutanoyl

An organic group derived from butanoic acid, often represented in molecules like esters or amides.

Chemical Shifts

Changes in the resonance frequency of nuclei in a magnetic field, providing information about the electronic environment in NMR spectroscopy.

Carbonyl Group

A group in chemistry where a carbon atom forms a double bond with an oxygen atom, denoted as C=O.

δ 3.1

A notation indicating a chemical shift of 3.1 in nuclear magnetic resonance (NMR) spectroscopy, often signifying the environment of a hydrogen atom in a molecule.