Karen’s biggest fears for the lessons were realized as she found that she was not able to use the probes successfully herself. Her thought was that ‘‘it was difficult for me to gauge the difficulty in using the technology’’ because she had not previously used it with a class. She indicated that she had spent at least 10 hours in getting ready to use the equipment and her final comment was that ‘‘I feel that these sorts of activities are a waste of time and resources, and [I] would probably not go that route in the future.’’