2-Childhood 4 Instructional strategies; methods and materials 4 Motivation/engagement 1-Early childhood 3 Instructional strategies 3 and materials 3 methods 3 3-Early adolescence 2 Comprehension 2 Discussion < Oral language 2 Phonics; phonemic awareness; phonological awareness 2 Vocabulary 2 Writing 2 teaching strategies < Strategies 2 4-Adolescence 1 Attitude < Motivation/engagement 1 Authentic < Assessment 1 Children’s literature 1 Content literacy 1 Critical analysis < Digital/media literacies 1 Decoding 1 Digital/media literacies 1 Discussion strategies < Strategies 1 Discussion strategies < Strategies 1 Discussion < Oral language 1 Distance education 1 Family literacy 1 Fluency 1 General vocabulary < Vocabulary 1 High-frequency words < Decoding 1