By the age of ____ years, most children have learned the addition tables so well that the sums of single digit numbers can be retrieved from memory rather than recalculated

Fiona has been experiencing pain and itching in the genital area

due to water blisters being present. Her doctor tells her that she has contracted a sexually transmitted disease that can be treated but not cured. Fiona has a. gonorrhea. b. chlamydia. c. genital herpes. d. pelvic inflammatory disease.

The so-called Zeigarnik effect helps us to ____

a. remember unfinished tasks, and thus to return to complete them b. learn when we have set unrealistic goals for ourselves, and to set more realistic goals in the future c. recognize when tasks are too easy or too hard (and therefore a bad match for our ability levels), and to seek out tasks that are more appropriate d. assess the pros and cons of a given situation, and to make decisions based on this assessment