If radio button is check display a textbox Jquery

Question

Hey Ya\'ll I have got a question with my radio buttons I have these 3 buttons

No  
         


        

Answer 1

$('input[name=answer]').change(function(){
    if(this.value) == 'yes'{
        $('#otherAnswer').show();
    }else{
        $('#otherAnswer').hide();
    }
})