Harvard Graduate School of Education PreK–12 Parent Survey Scales

The Harvard Graduate School of Education PreK–12 Parent Survey Scales, developed by Hunter Gehlbach and colleagues, provide a psychometrically validated modular assessment tool measuring family-school relationships, school climate, parent self-efficacy, and barriers to engagement.

Dr. Mohammed Looti An academic and researcher specialized in
PUBLISHED
Scientifically Reviewed · Dr. Marwa Abd-Alazim · September 28, 2026
Medically & Scientifically Reviewed Verified: September 28, 2026
Dr. Marwa Abd-Alazim PhD in Psychology
Faculty Member • University of Kerbala
Review Criteria & Clinical Standards

This content undergoes rigorous scientific peer-review and medical editorial standards at Arab Psychology Network to ensure clinical accuracy, validity, and compliance with evidence-based guidelines from leading psychological and healthcare authorities (APA / WHO).

1. Abstract

The Harvard Graduate School of Education PreK–12 Parent Survey Scales represent an empirically rigorous, modular battery of self-report instruments engineered to assess critical facets of family–school relationships, parental involvement, educational environments, and student academic behaviors across early childhood, elementary, and secondary education settings. Developed under the leadership of Dr. Hunter Gehlbach and colleagues (including Beth Schueler and Maureen Brinkworth) at the Harvard Graduate School of Education in collaboration with SurveyMonkey, the battery addresses widespread methodological deficits in family engagement measurement, such as ambiguous wording, cognitive misalignment, and lack of dimensional validity. The instrument suite encompasses six core psychometrically validated latent factor scales and two diagnostic inventories: Parent Support (comprising Learning Support [4 items] and Social Support [3 items]), Child Behaviors (comprising Positive Learning Behaviors [4 items] and Negative Learning Behaviors [3 items]), School Fit (7 items), School Climate (7 items), Parent Self-Efficacy (6 items), Family–School Engagement (4 items), Barriers to Family–School Engagement (13 items), and Roles and Responsibilities Related to School Success (11 items).

Validation data derived from a nationally stratified sample of $n = 651$ parents of children aged 5 to 18 demonstrated strong psychometric properties. Internal consistency reliability estimates (Cronbach’s $\alpha$) range from .65 to .90 across subscales (e.g., School Climate $\alpha = .90$; School Fit $\alpha = .84$; Parent Self-Efficacy $\alpha = .80$; Family–School Engagement $\alpha = .78$; Child Negative Behaviors $\alpha = .79$; Child Positive Behaviors $\alpha = .76$; Parent Learning Support $\alpha = .71$; Parent Social Support $\alpha = .65$). Confirmatory factor analyses (CFA) substantiate the theoretical factor structures, exhibiting excellent model fit across dimensions (e.g., Parent Support: $\chi^2(13) = 35.11$, $p < .01$, $\text{RMSEA} = 0.05$, $\text{CFI} = 1.00$; School Climate: $\chi^2(14) = 31.90$, $p < .01$, $\text{RMSEA} = 0.05$, $\text{CFI} = 1.00$). Utilizing item-specific, fully labeled 5-point Likert-type response scales designed to minimize satisficing and cognitive burden, the battery provides educators, educational psychologists, and policy researchers with a standardized, diagnostically actionable, and theoretically robust framework for evaluating home–school partnerships.

2. Keywords

family-school relationships, parent involvement, school climate, parental self-efficacy, school fit, survey methodology, educational assessment, home-school collaboration, child learning behaviors, psychometrics

3. Authors

The Harvard Graduate School of Education PreK–12 Parent Survey Scales were conceptualized, operationalized, and psychometrically validated by a research team at the Harvard Graduate School of Education (HGSE) in partnership with the survey methodology research division at SurveyMonkey.

  • Hunter Gehlbach, Ph.D.: Principal Investigator; Professor of Educational Psychology, formerly at the Harvard Graduate School of Education; subsequently Professor and Vice Dean at the University of California, Santa Barbara (UCSB) Gevirtz Graduate School of Education; Senior Research Advisor at SurveyMonkey. Specialist in survey design methodology, educational psychology, social cognition, and teacher-student/parent-school relationships.
  • Beth E. Schueler, Ed.D.: Co-Investigator; Assistant Professor of Education and Public Policy at the University of Virginia’s Batten School of Leadership and Public Policy; formerly doctoral researcher at the Harvard Graduate School of Education. Expertise in educational policy, school governance, politics of education, and family-school partnerships.
  • Maureen E. Brinkworth, Ph.D.: Research Associate and Methodologist; Harvard Graduate School of Education. Co-author of foundational psychometric guidelines for survey scale development and educational measurement.

Institutional Origin: Harvard Graduate School of Education, Longfellow Hall, 13 Appian Way, Cambridge, MA 02138, USA.

4. Purpose

The primary purpose of the Harvard Graduate School of Education PreK–12 Parent Survey Scales is to provide a standardized, psychometrically grounded, and actionable diagnostic instrument to quantify the multidimensional nature of parent perceptions regarding their children's schooling, home learning dynamics, and institutional engagement. For decades, educational institutions, district administrators, and educational researchers relied on ad-hoc, unvalidated questionnaires plagued by severe psychometric limitations. Common deficiencies included double-barreled questions, vague agreement-disagreement response scales, acquiescence response bias, ceiling effects, and an overemphasis on physical attendance at school events (e.g., Parent-Teacher Association meetings) at the expense of substantive home-based learning processes.

The HGSE Parent Survey was engineered to address these structural deficits through a modular architecture. It enables educational institutions—spanning early childhood (Pre-K) through high school completion (Grade 12)—to accurately capture the psychological, interpersonal, and structural mechanisms that facilitate or impede academic development. Specifically, the scales are designed to measure:

  • The nature, frequency, and depth of home-based academic and socio-emotional assistance parents provide to their children.
  • Parental evaluations of institutional tone, safety, interpersonal respect, and motivational climate within the school.
  • The perceived developmental congruence or "fit" between the child's unique cognitive, cultural, and behavioral needs and the educational offerings of the school.
  • Parental self-efficacy beliefs regarding their capability to scaffold their child's academic trajectory, manage emotional challenges, and interface with school staff.
  • Direct institutional engagement, communication habits, and concrete structural barriers (e.g., schedules, childcare, institutional mistrust, negative personal schooling memories) that prevent equitable family participation.
  • Attributional beliefs regarding whether academic success is the operational responsibility of families, schools, or the students themselves.

In applied educational contexts, school districts utilize the battery to conduct district-wide equity audits, needs assessments, and longitudinal evaluations of family-engagement interventions. Clinically and diagnostically, school psychologists and counselors utilize subscale profiles to identify ecological drivers of student academic disengagement, chronic absenteeism, and behavioral maladjustment, distinguishing between family-level self-efficacy deficits, institutional cultural mismatches, and concrete socio-economic barriers.

5. Psychological Construct

The battery operationalizes family–school partnerships not as an undifferentiated, unitary construct, but as an ecological system of distinct psychological, behavioral, and perceptual dimensions. Each subscale maps onto an established domain in educational psychology and developmental science.

Parent Support

Parent support captures the frequency and magnitude of home-based behaviors aimed at facilitating the child's academic and socio-emotional development. Grounded in family systems theory, the construct is bifurcated into:

  • Parent Learning Support (4 items): Reflects cognitive and academic scaffolding delivered within the home environment. It captures active dialogue regarding school curricula, assistance with academic tasks, provision of out-of-school educational enrichment, and the cultivation of autonomy through effort directed toward self-regulated learning.
  • Parent Social Support (3 items): Measures parental responsiveness to the child's interpersonal environment. It captures parent-child communication during peer conflict, parental awareness of the child's social functioning at school, and direct knowledge of the child's peer network.

Child Behaviors

This construct assesses parental perceptions of the child's academic volition, self-regulation, and engagement with learning. Rather than evaluating general psychopathology, it assesses domain-specific behavioral manifestations that moderate academic achievement:

  • Positive Learning Behaviors (4 items): Captures academic effort, intrinsic academic motivation, voluntary literacy behaviors (reading for pleasure), and receptivity to corrective instructional feedback.
  • Negative Learning Behaviors (3 items): Evaluates self-regulatory breakdown, distractibility during academic tasks at home, low task persistence (giving up on challenging tasks), and disorganization regarding school routines.

School Fit

School Fit (7 items) quantifies developmental match: the subjective congruence between an individual child's developmental, cultural, cognitive, and emotional needs and the institutional environment. It operationalizes whether teachers' instructional modalities harmonize with the child's learning style, whether school disciplinary policies match the child's behavioral profile, the child's institutional sense of belonging, and cultural affirmation within the school setting.

School Climate

School Climate (7 items) evaluates parental perceptions of the institutional atmosphere and normative environment of the school. It incorporates the leadership efficacy of school administrators, classroom motivational levels, perceived fairness of academic assessment systems, mutual respect across the student body and instructional staff, and the degree to which institutional leadership values demographic and cultural diversity.

Parental Self-Efficacy

Parental Self-Efficacy (6 items) reflects parents' domain-specific belief in their capability to exert positive influence over their child's academic, social, and emotional trajectory. Grounded in Albert Bandura's social cognitive theory, it assesses parental confidence in motivating their child, scaffolding learning at home, navigating peer relationships, ensuring school institutional responsiveness, and regulating child emotional expression.

Family-School Engagement

Family-School Engagement (4 items) measures active, behavioral parent participation within the school community. It focuses on the frequency of face-to-face teacher interactions, horizontal peer interactions (discussing the school with other parents), involvement in parent-teacher organizations, and direct volunteerism within school facilities.

Barriers to Family-School Engagement & Roles and Responsibilities

These two modules function as diagnostic inventories rather than classical latent trait scales. Barriers to Engagement (13 items) measures logistical constraints (e.g., scheduling conflicts, transportation, childcare), psychological hesitations (e.g., negative personal school experiences, fear of teacher retaliation), and institutional resistance (e.g., unwelcoming atmosphere, cultural misalignment). Roles and Responsibilities (11 items) assesses parental attributions of agency, requiring respondents to apportion locus of responsibility (parents, school, or child) for core educational functions such as emotional regulation, academic safety, and homework management.

6. Theoretical Framework

The theoretical architecture of the HGSE PreK–12 Parent Survey Scales integrates three foundational frameworks from developmental and educational psychology: Bronfenbrenner’s Ecological Systems Theory, Bandura’s Social Cognitive Theory, and Hoover-Dempsey and Sandler’s Model of the Parental Involvement Process.

Ecological Systems Theory

According to Urie Bronfenbrenner's Ecological Systems Model, child development is shaped by interactions within nested environmental systems. The child operates directly within primary microsystems—the home and the school. The HGSE battery explicitly targets the mesosystem, which encompasses the linkages and processes taking place between two or more major settings containing the developing person (specifically, home–school bidirectional interactions). Disconnects between home cultural norms and institutional practices—measured directly via the School Fit and School Climate scales—represent mesosystemic friction that undermines student academic development.

Social Cognitive Theory and Self-Efficacy

Albert Bandura's Social Cognitive Theory posits that human agency is governed by efficacy expectations—beliefs in one's capabilities to organize and execute courses of action required to produce given attainments. Within educational contexts, parental self-efficacy is a proximal determinant of educational behavior. Parents who possess high academic self-efficacy are significantly more likely to initiate contact with educators, establish structured home learning routines, and advocate for specialized services. The Parental Self-Efficacy scale operationalizes this construct across academic, emotional, and institutional navigation domains.

The Hoover-Dempsey and Sandler Model

The overarching structure of the battery is closely aligned with the revised Hoover-Dempsey and Sandler model of parental involvement. This framework posits that parental involvement is driven by three primary psychological motivators:

  1. Parental role construction: How parents define their personal responsibilities regarding their child's education (captured by the Roles and Responsibilities inventory).
  2. Parental self-efficacy: Beliefs regarding personal capability to assist the child (captured by the Parent Self-Efficacy scale).
  3. Perceptions of institutional invitations and climate: Welcoming behaviors, general invitations from the school, and teacher responsiveness (captured by School Climate and Barriers to Family-School Engagement).

By assessing both psychological motivators and structural contextual barriers, the instrument captures the dynamic mechanisms that govern parental participation.

7. Validity

The construct validity of the HGSE PreK–12 Parent Survey Scales was established through a structured, multi-phase methodology designed to integrate validity evidence from initial item conception through final psychometric testing, adhering to the six-step survey design protocol developed by Gehlbach and Brinkworth (2011).

Step-by-Step Instrument Development Protocol

  1. Extant Literature Synthesis: The development team performed a literature review of family-school partnerships, parental involvement models, and social climate literature to isolate essential indicators for each target construct.
  2. Parent Focus Groups and Open-Ended Interviews: Semi-structured focus groups and qualitative interviews (45 to 60 minutes) were conducted with diverse cohorts of parents across PreK–12 grade levels to discern how families naturally conceptualized home-school relationships.
  3. Indicator Alignment and Synthesis: Researchers cross-referenced literature-derived indicators with qualitative interview data. Indicators identified across both empirical literature and parental discourse were prioritized. Divergences in terminology between researchers and parents were resolved in favor of authentic parental vernacular to reduce linguistic dissonance.
  4. Item Construction: Items were drafted strictly adhering to evidence-based survey design standards (Artino, Gehlbach, & Durning, 2011). Key design rules included: avoiding agree-disagree formats, crafting fully labeled response options, employing item-specific response scales, eliminating double-barreled syntax, and minimizing satisficing risks.
  5. Expert Panel Review: A panel of academic researchers, school practitioners, and cultural diversity specialists completed review surveys evaluating item clarity, construct relevance, content omissions, and cross-cultural and developmental appropriateness across PreK through Grade 12.
  6. Cognitive Pretesting (Think-Aloud Interviews): Following the cognitive validation protocols of Karabenick et al. (2007), researchers conducted 40- to 60-minute one-on-one cognitive pretesting interviews with parents. Participants restated each survey item in their own words without relying on the item's vocabulary and engaged in concurrent think-aloud verbalizations while navigating response options, confirming that respondent interpretations matched theoretical intent.

Convergent, Discriminant, and External Validity

Subsequent validation studies (Schueler, Capotosto, Bahena, McIntyre, & Gehlbach, 2014) provided evidence for convergent and predictive validity. Scores on the School Climate and School Fit scales correlated positively with objective measures of school-wide academic achievement, student attendance rates, and lower suspension rates. The Barriers to Family-School Engagement inventory demonstrated discriminant validity across socioeconomic strata, identifying distinct barrier profiles between high-income families (primarily schedule and time constraints) and historically marginalized cohorts (e.g., transportation deficits, childcare needs, cultural miscommunication, and feelings of institutional alienation).

8. Reliability

The internal consistency reliability of the HGSE PreK–12 Parent Survey Scales was evaluated on a nationally representative calibration sample of $n = 651$ parents with school-aged children (ages 5 to 18) recruited via SurveyMonkey’s national research panel. Estimates were computed using Cronbach’s coefficient alpha ($\alpha$).

Scale / Subscale Number of Items Cronbach's Alpha ($\alpha$) Scale Classification
School Climate 7 .90 Latent Scale (Unidimensional)
School Fit 7 .84 Latent Scale (Unidimensional)
Parent Self-Efficacy 6 .80 Latent Scale (Unidimensional)
Child Negative Behaviors 3 .79 Subscale (Child Behaviors)
Family-School Engagement 4 .78 Latent Scale (Unidimensional)
Child Positive Behaviors 4 .76 Subscale (Child Behaviors)
Parent Learning Support 4 .71 Subscale (Parent Support)
Parent Social Support 3 .65 Subscale (Parent Support)
Barriers to Engagement 13 N/A (Formative Inventory) Diagnostic Inventory
Roles and Responsibilities 11 N/A (Categorical Attribution) Attributional Matrix

Most scales exhibit internal consistency estimates meeting or exceeding standard psychometric thresholds ($\alpha ge .70$ to $.90$) for group-level research and district decision-making. The slightly lower alpha observed for Parent Social Support ($\alpha = .65$) reflects the brief length of the subscale (3 items) and the broad scope of social interactions assessed (e.g., peer conflict dialogue vs. concrete acquaintance with friends).

9. Factor Analysis

To examine the dimensional structure of the items, the researchers conducted Confirmatory Factor Analyses (CFA) using structural equation modeling software on data from the national calibration sample ($n = 651$). Models were specified based on the theoretical frameworks governing each scale.

Multidimensional Models

  • Parent Support Scale (2-Factor Model): Specified with two correlated latent factors: Social Support (3 indicators) and Learning Support (4 indicators). The model demonstrated fit to the data: $\chi^2 = 35.11$, $df = 13$, $p < .01$; Root Mean Square Error of Approximation ($\text{RMSEA}$) = 0.05 (90% CI [0.03, 0.07]); Comparative Fit Index ($\text{CFI}$) = 1.00. No standardized residual correlations exceeded $|0.10|$.
  • Child Behaviors Scale (2-Factor Model): Specified with two correlated latent factors: Positive Learning Behaviors (4 indicators) and Negative Learning Behaviors (3 indicators). The model demonstrated good fit: $\chi^2 = 13.99$, $df = 13$, $p = 0.37$; $\text{RMSEA} = 0.01$ (90% CI [0.00, 0.04]); $\text{CFI} = 1.00$. Zero residual correlations exceeded $|0.10|$.

Unidimensional Models

  • School Climate Scale (1-Factor Model, 7 items): A single latent factor accounted for parental perceptions of institutional climate: $\chi^2 = 31.90$, $df = 14$, $p < .01$; $\text{RMSEA} = 0.05$ (90% CI [0.03, 0.07]); $\text{CFI} = 1.00$. All standardized residual correlations were below $|0.10|$.
  • School Fit Scale (1-Factor Model, 7 items): Specified as a single latent factor representing developmental match: $\chi^2 = 77.95$, $df = 14$, $p < .001$; $\text{RMSEA} = 0.086$ (90% CI [0.068, 0.105]); $\text{CFI} = .981$. Only 4.76% of residual correlations exceeded $|0.10|$.
  • Parent Self-Efficacy Scale (1-Factor Model, 6 items): Evaluated as a single general parental self-efficacy factor: $\chi^2 = 34.06$, $df = 9$, $p < .001$; $\text{RMSEA} = 0.07$ (90% CI [0.04, 0.09]); $\text{CFI} = 0.99$. No residual correlations exceeded $|0.10|$.
  • Family-School Engagement Scale (1-Factor Model, 4 items): Specified as a unidimensional engagement behavior factor: $\chi^2 = 9.73$, $df = 2$, $p = 0.01$; $\text{RMSEA} = 0.078$ (90% CI [0.03, 0.13]); $\text{CFI} = 1.00$. Residual correlations remained strictly below $|0.10|$.

10. Instrument / Measurement Tool

The Harvard Graduate School of Education PreK–12 Parent Survey Scales are administered as an anonymous or confidential self-report questionnaire, available via digital interfaces or paper-and-pencil formats.

  • Test Type: Multi-scale standardized psychological assessment battery and diagnostic inventory.
  • Target Respondent: Parents, legal guardians, and primary caregivers of children enrolled in Pre-Kindergarten through Grade 12 educational institutions.
  • Administration Modality: Online web-based administration (via SurveyMonkey or district portals) or printed surveys.
  • Total Core Items: 62 items across 6 psychometric scales and 2 diagnostic inventories:
    • Parent Support: 7 items (3 Social Support, 4 Learning Support)
    • Child Behaviors: 7 items (4 Positive Behaviors, 3 Negative Behaviors)
    • School Fit: 7 items
    • School Climate: 7 items
    • Parent Self-Efficacy: 6 items
    • Family-School Engagement: 4 items
    • Barriers to Family-School Engagement: 13 items
    • Roles and Responsibilities Related to School Success: 11 items
  • Response Formats: Fully labeled, construct-specific 5-point Likert scales designed to avoid traditional agree-disagree formatting, plus an attributional choice matrix:
    • Frequency scales: Almost never (1), Once in a while (2), Sometimes (3), Frequently (4), Almost all the time (5)
    • Extent scales: Not at all (1), A little bit (2), Somewhat (3), Quite a bit (4), A tremendous amount (5)
    • Quality/Match scales: Not well at all (1), Mildly well (2), Fairly well (3), Quite well (4), Extremely well (5)
    • Confidence scales: Not confident at all (1), Slightly confident (2), Somewhat confident (3), Quite confident (4), Extremely confident (5)
    • Barriers scale: Not a problem at all (1), Small problem (2), Medium problem (3), Large problem (4), Very large problem (5)
    • Roles & Responsibilities matrix: Categorical attributions: Primarily parents (1), Primarily schools (2), Primarily children (3), N/A (4)
  • Scoring Procedures:
    • Scale Scores: Subscale and composite scores are calculated by averaging the numerical responses across relevant items within that scale (range: 1.0 to 5.0).
    • Negative Learning Behaviors Subscale: Scored such that higher values denote higher levels of distractibility, giving up, and disorganization; items can be reverse-coded (Recode: $1=5, 2=4, 3=3, 4=2, 5=1$) when computing an overall positive child behavior index.
    • Inventory Analyses: Barriers items are evaluated individually as item-level frequencies or proportions reporting "Large problem" or "Very large problem". Roles and Responsibilities items are analyzed as percentage distributions allocating responsibility across the three primary agents.

11. Permissions & Fee and Test Year

The Harvard Graduate School of Education PreK–12 Parent Survey Scales were initially developed and released between 2011 and 2013 through the research collaboration between the Harvard Graduate School of Education and SurveyMonkey, with key psychometric publications appearing in 2012, 2013, and 2014. By the summer of 2013, the battery had been adopted by over 1,000 schools across more than 300 school districts nationwide.

Licensing and Availability: The scales were developed as an open-access public resource for educators, school leaders, and researchers. The survey scales are available free of charge for non-commercial educational research, school improvement initiatives, district assessments, and academic inquiry. School districts and researchers may utilize the instrument without formal royalties, provided appropriate citation is given to the authors and the Harvard Graduate School of Education.

The scales are officially accessible in both English and Spanish translations, developed using standard forward- and back-translation protocols to ensure linguistic equivalence.

12. References

  • Artino, A. R., Jr., Gehlbach, H., & Durning, S. J. (2011). AM last page: Avoiding five common pitfalls of survey design. Academic Medicine: Journal of the Association of American Medical Colleges, 86(10), 1327. https://doi.org/10.1097/ACM.0b013e31822c7b9e
  • Gehlbach, H., & Brinkworth, M. E. (2011). Measure twice, cut down error: A process for enhancing the validity of survey scales. Review of General Psychology, 15(4), 380–387. https://doi.org/10.1037/a0025704
  • Gehlbach, H., Schueler, B., Brinkworth, M. E., & Bahena, S. (2013). Assessing home-school relationships. Symposium presentation at the Annual Meeting of the American Educational Research Association (AERA), San Francisco, CA.
  • Hoover-Dempsey, K. V., & Sandler, H. M. (1997). Why do parents become involved in their children's education? Review of Educational Research, 67(1), 3–42. https://doi.org/10.3102/00346543067001003
  • Karabenick, S. A., Woolley, M. E., Friedel, J. M., Ammon, B. V., Blazevski, J., Bonney, C. R., De Groot, E., Gilbert, M. C., Musu, L., Kempler, T. M., & Kelly, K. E. (2007). Cognitive processing of self-report items in educational research: Do they think what we mean? Educational Psychologist, 42(3), 139–151. https://doi.org/10.1080/00461520701416306
  • Schueler, B. (2012). A new tool for understanding family-school relationships: The Harvard Graduate School of Education PreK–12 Parent Survey. Family Involvement Network of Educators (FINE) Newsletter, 5(1).
  • Schueler, B. E., Capotosto, L., Bahena, S., McIntyre, J., & Gehlbach, H. (2014). Measuring parent perceptions of school climate. Psychological Assessment, 26(1), 314–320. https://doi.org/10.1037/a0034304

13. Items of the Scale (Questionnaire)

Below are the authentic scale items in their original language as published in the standard psychometric validation studies, without modification or translation to preserve instrument validity and reliability:
Scoring Formula: Scoring: Not confident at all = 1; Slightly confident = 2; Somewhat confident = 3; Quite confident = 4; and Extremely confident = 5.
1

How often do you and your child talk when s/he is having a problem with others? Almost never Once in a while                Sometimes Frequently       Almost all the time
2

To what extent do you know how your child is doing socially at school? Not at all A little bit    Somewhat    Quite a bit A tremendous amount
3

How well do you know your child’s close friends?
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Cite This Article

Looti, M. (2026, September 28). Harvard Graduate School of Education PreK–12 Parent Survey Scales. PSYCHOLOGICAL DATABASE. https://english.arabpsychology.com/scales/harvard-graduate-school-of-education-prek-12-parent-survey-scales/
Looti, Mohammed. “Harvard Graduate School of Education PreK–12 Parent Survey Scales.” PSYCHOLOGICAL DATABASE, 28 September 2026, https://english.arabpsychology.com/scales/harvard-graduate-school-of-education-prek-12-parent-survey-scales/.
Looti, Mohammed. “Harvard Graduate School of Education PreK–12 Parent Survey Scales.” PSYCHOLOGICAL DATABASE. September 28, 2026. https://english.arabpsychology.com/scales/harvard-graduate-school-of-education-prek-12-parent-survey-scales/.