Verbal AbilityReading AbilityWriting AbilityAcademic AbilityBasic SkillsCommunication SkillsCommunication StrategiesLanguage AptitudeLanguage ArtsLanguage SkillsLinguistic CompetenceLinguistic InputLinguistic PerformanceNonverbal AbilitySpeech SkillsVerbal DevelopmentVerbal LearningVerbal Operant ConditioningVerbal TestsAbilityLanguage and Speech Facility in the use and comprehension of words