Although most children learn to communicate in their first language (L1), there is normal and expected variation in their rate of acquisition across all components of the language system. Until recently, most second language acquisition and second language (L2) researchers have assumed that individual differences (IDs) in L1 acquisition are small…

Various sources of learner problems are identified and specific remedial activities are suggested for difficulties in speaking, listening, reading, writing, vocabulary acquisition, and grammar tasks. Some of the more common sources of learner difficulties that are discussed are: poor memory, lack of flexibility, too impulsive, too reflective,…