Q1...
<div id="starvalue"></div>
<script type="text/javascript" charset="utf-8">  
  $(document).ready(function() {
 
    // Identify this question
    var q1ID = {QID};
    var thisQuestion = $('#question'+q1ID);
 
    // Listener on the inputs
    $('input.radio', thisQuestion).on('click', function(e) {
 
      // The clicked value
      var value = $(this).val();
 
      // Define the text
      var insertedText= '';
      switch(value) {
        case '1':
          insertedText= 'One';
          break;
        case '2':
          insertedText= 'Two';
          break;
        case '3':
          insertedText= 'Three';
          break;
        case '4':
          insertedText= 'Four';
          break;
        case '5':
          insertedText= 'Five';
          break;
      }
 
      // Pipe the text to the div
      $('#starvalue').text(insertedText);  
    }); 
    });
</script>

Q1...
<div id="starvalue"></div>
<script type="text/javascript" charset="utf-8">  
  $(document).ready(function() {
 
    // Identify this question
    var q1ID = {QID};
    var thisQuestion = $('#question'+q1ID);
 
    // Define the text
    var insertedText = {
      1: 'Text for one star',
      2: 'Text for two stars',
      3: 'Text for three stars',
      4: 'Text for four stars',
      5: 'Text for five stars'
    }
 
    // Listener on the inputs
    $('input.radio', thisQuestion).on('click', function(e) {
 
      // Pipe the text to the div
      $('#starvalue').text(insertedText[$(this).val()]);  
    }); 
    });
</script>