A nine-year-old tested professional touch therapists. using a cardboard partition, she held a hand above one of the therapist's hands, and the therapist was asked to identify the hand that was chosen. what type of study is this? what are the variables of interest?

Taking a shower. why is cause as you shower the water is running more than taking a bath, washing a load of dishes or brushing your teeth. water is being used more by taking a shower and depending on how many people live in the household that take showers. some take a shower twice a day.