Speech acts: Constative and performative - Colleen Glenney Boggs

207,673 views ・ 2013-10-03

TED-Ed


Please double-click on the English subtitles below to play the video.

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Have you ever seen
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a big, red "No Running" sign at a public pool?
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For the most part,
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the pace on the deck reflects this statement.
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But while the sign accurately describes
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the patrons' movements,
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isn't it true that people are walking
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because the sign tells them no running?
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So, is this sign portraying the pool's environment,
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or is it doing something else,
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something more powerful?
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The difference between a statement that describes
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and one that commands
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is an idea developed by British linguist J. L. Austin.
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He defines this distinction
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as two separate parts of speech:
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constatives
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and performatives.
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Constatives are sentences
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that describe something as true or false,
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and performatives are sentences
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that denote an action.
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In other words, a constative is,
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and a performative does.
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To help us distinguish these two parts of speech,
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let's start by examining constatives
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around the park outside the pool.
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The first sign we encounter says,
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"The park closes at 6 p.m."
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After checking with a friendly park official
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that the park does, indeed, close at 6,
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we can confirm that this statement
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is a true constative.
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Nearby, there's a man on a bench
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with a newspaper, and the headline reads,
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"Heatwave!"
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However, the sky is cloudy and it feels quite chilly.
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Today's headline is a false constative
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as it has proven to be incorrect.
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Before the rain starts to fall,
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let's throw away our can of soda
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at the blue trash bin that says, "Recycle."
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It's a performative.
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Performatives are sentences
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that are meant to inspire actions.
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Rather than conveying a message,
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it acts upon the world,
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it does something.
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In this case, the performative of "Recycle"
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is requesting people to put their trash
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into the proper receptacle.
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Words not only bring about actions,
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sometimes words themselves are actions.
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This is what is known as speech acts.
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These actions include, but are not limited to,
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ordering,
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promising,
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apologizing,
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warning,
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sentencing,
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christening,
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and even marrying.
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Take a look at the wedding near the gazebo.
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The couple says the words, "I do."
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The speech act here are the words, "I do."
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These words cause them to marry one another.
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"I do" has acted upon them
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and profoundly changed their world.
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However, performatives depend
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on context and reception.
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These are known as felicity conditions.
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Imagine if the mayor showed up to the wedding
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and said, "By the power vested in me
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as mayor of the city,
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I name this gazebo 'The Mayor's Pizza Palace.'"
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His words would be a speech act
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by which he named the gazebo.
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And because he's the mayor,
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the gazebo would be known by its new name.
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But if someone who isn't the mayor,
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just a normal passerby,
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decides to name the gazebo after her favorite cat,
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the chances are the name would not change.
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Felicity conditions are the rules
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under which the performative can be enacted.
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These are fairly logical.
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The performative should have proper authority,
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it should be understood,
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it should be clear,
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and it should be able to be executed.
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If the performative doesn't meet these conditions,
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then it doesn't have the power
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to denote action.
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But just because a performative meets its conditions
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and is clearly stated,
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doesn't mean that it's implicitly followed.
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Back at the pool,
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a rowdy group of teenagers races to the high dive.
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"No running" does not seem
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to have power over them,
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and they'll have to face the consequences
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of breaking this performative.
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They may even have to force out
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some performatives of their own,
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such as apologizing to the life guard
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and promising to never run again.
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Maybe the life guard will respond
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with another performative,
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sentencing them to be banished from the pool
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for the rest of the day.
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After all, these teenagers must learn
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to respect the power of words.
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