Jillian Is Participating in an Experiment in Which She Was

Multiple Choice

Jillian is participating in an experiment in which she was asked to shadow a message presented to the left ear while simultaneously ignoring a message presented to the right ear.Jillian is LEAST likely to detect which of the following changes in the signals?

A) The right ear's message is initially presented in a high-pitched voice but is then spoken by a low-pitched voice.
B) The participant's name is mentioned three times at various points within the right ear's message.
C) Initially,the right ear's message contains a male voice reading a coherent passage,but this is then replaced by the same voice reading a sequence of random words.
D) The right ear's message is initially presented in a soft voice but is then spoken by a loud voice.