The "rule of thumb" phrase comes from the English common law practice of a husband being allowed to beat his wife with a stick or rod that was no thicker than his thumb

Which of the following is an example of good interrater reliability?

a. A professor and a teaching assistant arrive at the same score for a paper that they graded b. The items on two different personality inventories match. c. The results of a study have reached statistical significance. d. A glucose test accurately measures a diabetic’s glucose levels.

Professor Maldonado's course covers infant and toddler development. This means that students will be studying which of the following age ranges?

a. ages 6 to 12 years c. ages birth to 3 years b. ages 12 to 20 years d. ages 3 to 6 years