Tyler was forced to take on additional responsibilities of another employees when they were laid off from the dog grooming business. Neither Tyler nor his boss knew what to expect they didn't know if Tyler could successfully complete the more complex tasks, but his boss mentored him along the way. After a while, they both discovered that Tyler was very good at these additional tasks! He now takes on the most difficult clients' dogs. What changed in Tyler's self-disclosure? reduction of the hidden window O reduction of the unknown window expansion of the blind window O decrease of the open window