This dataset includes the key data analysed and discussed in the paper titled 'The Effects of Choice on the Reading Comprehension and Enjoyment of Children with Severe Inattention and no Attentional Difficulties' published in the Research on Child and Adolescent Psychopathology journal. Data were collected as part of a larger PhD study of Myrofora Kakoulidou, under the supervision of Professor Jane Hurry, Dr Frances Le Cornu Knight and Dr Roberto Filippi.Variables includedCodenumber = Participant IDSex = Biological sexSEN status = Whether children had (or did not have) an SEN statement or and Education and Health Care planReading Motivation Questions = MRQ items (38 items)MRQ_NoMissing = Total scores on MRQ after imputationSentenceCompletion_NGRT = Children's answers to the Sentence Completion items of the NGRT (20 items)TextQuestions_NGRT = Children's answers to the Reading Comprehension questions across the three passages (28 items)NewGroupReadingScores = Total scores across the 48 NGRT itemsNGRT_Standardised = Raw scores converted to standardised scores by ageReadingscores_Choice = Children's reading scores in the Choice conditionReadingscores_NoChoice = Children's reading scores in the No Choice conditionReadingdifference_Final = Difference scores for Reading Comprehension (Reading comprehension scores in the No Choice condition subtracted by reading comprehension scores in the Choice condition)Readingdenjoyment_Final = Difference scores for Reading Enjoyment (Reading Enjoyment scores in the No Choice condition subtracted by reading enjoyment scores in the Choice condition)Enjoyment_NoChoice = Children's enjoyment scores in the No Choice conditionEnjoyment_Choice = Children's enjoyment scores in the Choice conditionTeacherConnersItems = Teachers' ratings on the Conners 3 scale (39 items in total, short version)TeacherRatedInattention = Teachers' ratings of children's inattentionOmissionErrors = Raw scores on Omission errors in AULARTV (Reaction Time Variability) = Raw scores on RTV in AULATeacherRatedInattention_Trichotomised = Trichotomised scores on Teacher-rated InattentionOmissionErrors_Trichotomised = Trichotomised scores on Omission errorsRTV_Trichotomised = Trichotomised scores on RTV