Piaget’s four stages of cognitive development:

Lev Vygotsky believed that children construct knowledge through self-discovery.

A researcher is interested in the effect of exercise on stamina in elderly patients. The patients are randomly assigned to be in a high-exercise or low-exercise training program for eight weeks. At the end of the program, their stamina is measured by seeing how long they can walk comfortably on a treadmill. In this study, the dependent variable is:

A teratogen is any agent that can cause

Joshua, 2, has been diagnosed with _____, a blood disorder that limits the body’s oxygen supply and can cause joint swelling and heart and kidney failure. This genetic disorder can be treated through penicillin, pain medication, antibiotics and blood transfusions, and his doctor has indicated that a study named Baby HUG may offer a better drug in the future.

A vascular landmark used to localize the ovaries whiting the female pelvis is the iliac vessels, ovaries are? 

The _____ is the outer layer of cells of the blastocyst that later provides nutrition and support for the embryo.

Lindsay’s body does not produce enough insulin, causing an abnormal metabolism of sugar. She is receiving insulin treatment. Lindsay has:

People remember very little about what happened in the early years of their lives. This is called:

Sonographic findings of adenomyosis are EXCEPT?