You are driving down the road in your car and stop to pick up your friend. After a few minutes, she asks, "What is that rattling noise?" You listen closely and then realize it is the sound of golf balls you tossed into your trunk a week ago. You reply, "Oh, it's some golf balls. I guess I tuned out that sound long ago!" Your "tuning out" of that sound is an example of _____.a. associative learningb. imprintingc. habituationd. social learning