| sentence has a question | sentence_has_a_question | 19.0% | 0.867 | 3,430 / 858 / 2,146 |
| sentence has math terms | sentence_has_math_terms | 46.8% | 0.755 | 3,432 / 858 / 2,144 |
| sentence has number | sentence_has_number | 25.5% | 0.755 | 3,430 / 858 / 2,146 |
| sentence is a short utterance | sentence_is_a_short_utterance | 33.2% | 0.438 | 3,432 / 858 / 2,144 |
| sentence answers a question | sentence_answers_a_question | 6.2% | 0.101 | 3,430 / 858 / 2,146 |
| sentence has a directive or instruction | sentence_has_a_directive_or_instruction | 19.0% | 0.735 | 3,430 / 858 / 2,146 |
| sentence has acknowledgment | sentence_has_acknowledgment | 20.6% | 0.709 | 3,432 / 858 / 2,144 |
| sentence is a declarative statement or description | sentence_is_a_declarative_statement_or_description | 39.3% | 0.815 | 3,430 / 858 / 2,146 |
| sentence is incomplete or trails off | sentence_is_incomplete_or_trails_off | 6.1% | 0.369 | 3,432 / 858 / 2,144 |
| sentence has praise or encouragement | sentence_has_praise_or_encouragement | 4.0% | 0.604 | 3,432 / 858 / 2,144 |
| sentence has explanation or reasoning | sentence_has_explanation_or_reasoning | 10.7% | 0.593 | 3,430 / 858 / 2,146 |
| sentence manages classroom behavior or attention | sentence_manages_classroom_behavior_or_attention | 9.9% | 0.460 | 3,430 / 858 / 2,146 |
| sentence has agreement or affirmation | sentence_has_agreement_or_affirmation | 17.7% | 0.586 | 3,430 / 858 / 2,146 |
| sentence includes student name | sentence_includes_student_name | 6.9% | 0.930 | 3,432 / 858 / 2,144 |
| sentence is partially or fully inaudible | sentence_is_partially_or_fully_inaudible | 0.8% | 0.568 | 3,432 / 858 / 2,144 |
| sentence references classroom materials or visuals | sentence_references_classroom_materials_or_visuals | 15.1% | 0.686 | 3,432 / 858 / 2,144 |
| sentence expresses emotion or humor | sentence_expresses_emotion_or_humor | 2.8% | 0.275 | 3,430 / 858 / 2,146 |
| sentence repeats or revoices prior speech | sentence_repeats_or_revoices_prior_speech | 10.8% | 0.419 | 3,430 / 858 / 2,146 |
| sentence references task procedure or logistics | sentence_references_task_procedure_or_logistics | 34.5% | 0.404 | 3,430 / 858 / 2,146 |
| sentence calls on student by name | sentence_calls_on_student_by_name | 5.4% | 0.918 | 3,432 / 858 / 2,144 |
| sentence expresses confusion or requests help | sentence_expresses_confusion_or_requests_help | 1.0% | 0.218 | 3,430 / 858 / 2,146 |
| sentence has negation or denial | sentence_has_negation_or_denial | 7.2% | 0.902 | 3,430 / 858 / 2,146 |
| sentence references student behavior or work | sentence_references_student_behavior_or_work | 33.5% | 0.382 | 3,430 / 860 / 2,144 |
| sentence shows uncertainty | sentence_shows_uncertainty | 1.9% | 0.503 | 3,430 / 858 / 2,146 |
| sentence has fraction terms | sentence_has_fraction_terms | 9.9% | 0.876 | 3,430 / 860 / 2,144 |
| sentence has politeness marker | sentence_has_politeness_marker | 2.1% | 0.731 | 3,432 / 858 / 2,144 |
| sentence narrates ongoing action | sentence_narrates_ongoing_action | 3.1% | 0.594 | 3,430 / 858 / 2,146 |
| sentence has disagreement or challenge | sentence_has_disagreement_or_challenge | 4.9% | 0.166 | 3,430 / 858 / 2,146 |
| sentence summarizes or reviews | sentence_summarizes_or_reviews | 3.2% | 0.229 | 3,434 / 856 / 2,144 |
| sentence shows realization or insight | sentence_shows_realization_or_insight | 3.1% | 0.080 | 3,434 / 856 / 2,144 |
| sentence references prior learning or lesson | sentence_references_prior_learning_or_lesson | 3.4% | 0.442 | 3,430 / 858 / 2,146 |
| sentence checks for understanding or agreement | sentence_checks_for_understanding_or_agreement | 9.5% | 0.324 | 3,430 / 858 / 2,146 |
| sentence expresses personal stance or thinking aloud | sentence_expresses_personal_stance_or_thinking_aloud | 8.5% | 0.447 | 3,428 / 860 / 2,146 |
| sentence has apology | sentence_has_apology | 0.4% | 0.869 | 3,432 / 858 / 2,144 |
| sentence poses a hypothetical or scenario | sentence_poses_a_hypothetical_or_scenario | 3.4% | 0.373 | 3,430 / 858 / 2,146 |
| sentence grants or requests permission | sentence_grants_or_requests_permission | 1.2% | 0.500 | 3,430 / 858 / 2,146 |
| sentence has time reference | sentence_has_time_reference | 17.3% | 0.603 | 3,432 / 856 / 2,146 |
| sentence seeks or gives clarification | sentence_seeks_or_gives_clarification | 16.7% | 0.270 | 3,428 / 860 / 2,146 |
| sentence invites participation | sentence_invites_participation | 24.3% | 0.610 | 3,430 / 860 / 2,144 |
| sentence addresses the whole class | sentence_addresses_the_whole_class | 64.4% | 0.546 | 3,432 / 858 / 2,144 |
| sentence quotes or reads text aloud | sentence_quotes_or_reads_text_aloud | 3.4% | 0.661 | 3,430 / 858 / 2,146 |
| sentence has a rhetorical question | sentence_has_a_rhetorical_question | 1.2% | 0.180 | 3,432 / 858 / 2,144 |
| sentence evaluates a student response | sentence_evaluates_a_student_response | 6.5% | 0.433 | 3,430 / 860 / 2,144 |
| sentence has comparison terms | sentence_has_comparison_terms | 6.2% | 0.657 | 3,430 / 858 / 2,146 |
| sentence has greeting | sentence_has_greeting | 0.2% | 0.306 | 3,432 / 858 / 2,144 |
| sentence uses collaborative or inclusive language | sentence_uses_collaborative_or_inclusive_language | 16.2% | 0.559 | 3,430 / 858 / 2,146 |
| sentence has counting sequence | sentence_has_counting_sequence | 1.4% | 0.757 | 3,432 / 858 / 2,144 |
| sentence expresses certainty or emphasis | sentence_expresses_certainty_or_emphasis | 9.5% | 0.195 | 3,432 / 858 / 2,144 |
| sentence has informal language | sentence_has_informal_language | 29.3% | -0.120 | 3,432 / 858 / 2,144 |
| sentence has answer to a math problem | sentence_has_answer_to_a_math_problem | 4.7% | 0.409 | 3,430 / 858 / 2,146 |
| sentence has measurement terms | sentence_has_measurement_terms | 8.7% | 0.180 | 3,432 / 860 / 2,142 |