Kagan maintains that an infant's reactions to its first stressful experiences are part of a natural process of development, not harbingers of childhood unhappiness or ______ signs of adolescent anxiety.

单项选择题Given the existence of so many factions in the field, it was unrealistic of Anna Freud to expect any ______ of opinion.

单项选择题The trainees were given copies of a finished manual to see whether they could themselves begin to ______ the inflexible, though tacit, rules for composing more of such instructional materials.