The 7-month-old infant is accustomed to
having the perineal area exposed and cared for and is not in a developmental
stage in which fears related to sexuality are present. A "clean
catch" at this age is often contaminated; therefore catheterization has
been prescribed. The parents do have the right to refuse, but this concern is
not realistic an infant of this age. The parent's concern is not appropriate
for the developmental age of the infant.
Because each subject in an experiment has to have equal conditions to ensure the most accurate results. And water temperature is known to impact plant growth. An experiment using different water temperatures is a terribly inaccurate experiment.
