Improvements in writing, artwork, and playing musical instruments are affected by the development of what kind of skills?

As Shane stands between the railroad tracks, the rails appear to converge in the distance. This cue to inferring depth and distance is called _______________

A) linear perspective B) retinal disparity C) parallax D) relative size

Research indicates that psychotherapy is ________

a. highly and equally effective for both mild and severe disorders b. more effective for mild disorders than for severe disorders c. more effective for severe disorders than for mild disorders d. not effective for either mild or severe disorders