Bill reported to his doctor that whenever he has an orgasm, there is little or no ejaculate. What is a possible diagnosis the doctor should evaluate for Bill's complaints?

In a couple of paragraphs, describe how an experiment could be designed to determine whether Ritalin is effective in treating attention-deficit hyperactivity disorder (ADHD)

Be sure to state what the independent variable, dependent variable, experimental group, and control group would be in this study. What will be an ideal response?

Paul belongs to the Navaho tribe and lives on the largest reservation in the U.S. In which state does he live?

A) Arizona B) New Mexico C) Oklahoma D) Texas