If the information produced by research or testing accurately measures the psychological variable or quality it is intended to measure, it is said to be valid

Which of the following lobes of the cerebral cortex contains the primary sensory cortex?

A) Occipital B) Frontal C) Temporal D) Parietal

The second stage of labor lasts about __________ for a first baby and __________ in later births

A) 10 minutes; 5 minutes B) 50 minutes; 20 minutes C) 3 to 4 hours; 1 hour D) 12 to 14 hours; 4 to 6 hours