Tania has recognized that her eating behaviors are not healthy. Her response to stress previously was to severely restrict her calorie intake, often eating only one small meal per day. Her weight had dropped to unhealthy levels. In order to address her unhealthy eating patterns, she made several changes in her daily routines and has consistently been eating better for the past 4 weeks. She is feeling much better. According to the transtheoretical model, Tania is in the ________ phase of behavior change.