International Journal of Science and Mathematics Education · 2015 · 28 citations · 32 references
EducationEducational PsychologySecondary EducationMathematics InstructionSecondary Mathematics EducationStudent EngagementClassroom EngagementEmotion UnderstandingEmotional EngagementAcademic EmotionsAchievement EmotionsAffective Responses To Mathematics
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Qualitative Research: Introducing focus groups
Jenny Kitzinger · BMJ · 1995 · 6.9K citations
Nico H. Frijda · American Psychologist · 1988 · 1.9K citations