Which of the following is not a physical factor that humans must content with in an extreme environment?

The example of the Hmong families and their unmarried children who continue to live at home highlights the fact that ________ are critical in understanding developmental psychopathology

Fill in the blank(s) with correct word

If the participants in one treatment condition are noticeably older than the participants in another treatment condition, then participant age is a confounding variable

a. True b. False Indicate whether the statement is true or false