| COVID-19 perceptions of risk |
2 |
| Distress |
2 |
| School Attendance |
2 |
| School Special Services |
2 |
| Extracurricular Activities |
2 |
| academic knowledge |
2 |
| consonant inventory |
2 |
| Brothers |
1 |
| Caregiver Interaction |
1 |
| Deaf or Hard of Hearing |
1 |
| Family Environment |
1 |
| Family Life |
1 |
| Gender |
1 |
| General Vocabulary |
1 |
| Grandparents |
1 |
| Home Numeracy Environment |
1 |
| Interest |
1 |
| Learning Disabilities [LD] |
1 |
| Math Fluency |
1 |
| Mindset |
1 |
| Non-English Speakers |
1 |
| Parent Influence |
1 |
| Parents |
1 |
| Peer Influence |
1 |
| Reading Attitudes |
1 |
| Reading Interests |
1 |
| Reading Motivation |
1 |
| Sisters |
1 |
| STEM |
1 |
| Test Anxiety |
1 |
| Word Learning |
1 |
| Writing Fluency |
1 |
| Progress Monitoring |
1 |
| Prenatal Environment |
1 |
| Twin Zygosity |
1 |
| Positive Affect |
1 |
| Negative Affect |
1 |
| Schooling |
1 |
| Alphabet Knowledge |
1 |
| School Perceptions |
1 |
| Career Preferences |
1 |
| Stressful Life Events |
1 |
| Home Environment |
1 |
| Nutrition |
1 |
| Sleep |
1 |
| Home Science Environment |
1 |
| Communalism |
1 |
| Experimental Design |
1 |
| Non-Verbal IQ |
1 |
| Open Science |
1 |
