According to the article, "Introduction to Postmodern Philosophy" at postmodernpreaching.org, critical realism claims:
Choose one answer.
a. we live our lives as if there is objective reality, but we acknowledge that can never understand reality perfectly. Nevertheless, we might understand it to a reasonable degree.
b. we live our lives as if there is objective reality, but we acknowledge that we can no nothing of it. Nevertheless, we continue to try.
c. we live our lives as if there is no objective reality, but to function in the world, we must believe in something, even if it isn't real.
d. we live our lives in utter chaos, striving to find what is real in the midst of all the criticism. Nevertheless, we still cling to that which we think is real.
e. we live our lives in a constant state of criticism, trying to determine if it's possible to know anything at all.