Meichenbaum's more recent work has been described as:

In Obsessive-Compulsive Disorder, obsessions and compulsions reach a ___.

Fill in the blank(s) with the appropriate word(s).

Several organizations provide websites that allow individuals to calculate, and therefore, track, their individual resource consumption. These websites are known as calculators

a. ecological footprint b. BMI c. territorial marker d. conservation factor