The research study of infant memory involving a ribbon tied to an infant's foot relied heavily on _____ conditioning techniques

Which of the following combinations of behaviors does NOT qualify for ADHD?

a. Excessive fidgeting and a lack of desire to form friendships b. Failure to pay attention and failure to remain seated while watching TV c. Always losing or misplacing important school materials and difficulty being quiet when necessary d. Very messy handwriting and rudely grabbing things away from others e. Leaving several projects unfinished and finding it almost painful to just relax

According to the text, what is the most common teratogen worldwide?

a. malnutrition b. tobacco c. alcohol d. infectious disease