reproduce-23684.php

<?php
/**
 * Plugin Name: My Plugin
 */

function my_admin_enqueue_scripts() {
	wp_enqueue_script( 'jquery-ui-button' );
}
add_action( 'admin_enqueue_scripts', 'my_admin_enqueue_scripts' );

function my_admin_footer() {
	?>
	<script>
		jQuery(document).ready(function($){
			$('#my-radio').buttonset();
		});
	</script>
	<div id="my-radio">
		<input type="radio" id="radio1" name="radio" /><label for="radio1">Choice 1</label>
		<input type="radio" id="radio2" name="radio" checked="checked" /><label for="radio2">Choice 2</label>
		<input type="radio" id="radio3" name="radio" /><label for="radio3">Choice 3</label>
	</div>
	<?php
}
add_action( 'admin_footer', 'my_admin_footer' );