Folio Surveyor

Validated research scales

A curated library of validated psychometric instruments — each with its reliability, scoring, subscales, and a ready-to-cite methods sentence. Browse every scale as a reference; scales marked Surveyor ready can also be added directly to your study in Folio Surveyor.

Metadata and methods sentences live on this page; item wording lives inside Surveyor, subject to each instrument’s license. Instruments marked Licensed are reference-only here — Folio does not distribute their wording without permission from the copyright holder.

AMS-C 28
28 itemsFree for researchSurveyor ready

Academic Motivation Scale — College Version

A 28-item multidimensional measure of academic motivation grounded in Self-Determination Theory. Assesses seven motivational orientations: three forms of intrinsic motivation, three forms of extrinsic regulation, and amotivation. Stem: "Why do you go to college?"

psychologyeducationsocial sciences
AEQ
232 itemsFree for researchReference only

Achievement Emotions Questionnaire

A modular instrument measuring nine achievement emotions (enjoyment, hope, pride, anger, anxiety, shame, hopelessness, boredom, relief) across class, learning, and test settings.

educationpsychology
AHS
12 itemsFree for researchReference only

Adult Dispositional Hope Scale

A 12-item measure of dispositional hope (8 scored items plus 4 fillers) comprising agency — goal-directed determination — and pathways, the perceived ability to plan routes to goals.

psychologyeducationsocial sciences
AUDIT
10 itemsPublic domainReference only

Alcohol Use Disorders Identification Test

A 10-item screening tool developed by the WHO to identify hazardous and harmful alcohol consumption and possible dependence over the past year.

health sciencespsychology
BAI
21 itemsLicensedPermission required

Beck Anxiety Inventory

A 21-item self-report measure of the severity of anxiety symptoms over the past week, designed to discriminate anxiety from depression.

psychologyhealth sciences
BDI-II
21 itemsLicensedPermission required

Beck Depression Inventory-II

A 21-item self-report measure of depression severity over the past two weeks, aligned with DSM criteria; each item presents four statements of increasing severity (0-3).

psychologyhealth sciences
BSMAS
6 itemsFree for researchReference only

Bergen Social Media Addiction Scale

A 6-item scale applying the components model of addiction (salience, mood modification, tolerance, withdrawal, conflict, relapse) to social-media use over the past year.

psychologyhealth sciencessocial sciences
BFI-44
44 itemsFree for researchSurveyor ready

Big Five Inventory

A 44-item self-report inventory measuring the Big Five personality dimensions (Extraversion, Agreeableness, Conscientiousness, Neuroticism, Openness) using short phrase items. A de-facto standard in personality research — balances brevity with subscale-level reliability.

psychologysocial scienceseducation
BFI-2
60 itemsFree for researchReference only

Big Five Inventory-2

A 60-item hierarchical measure of the Big Five personality domains, each with three facets, updating the original Big Five Inventory.

psychologysocial sciences
BFNE
12 itemsLicensedPermission required

Brief Fear of Negative Evaluation Scale

A 12-item short form assessing apprehension and distress about being negatively evaluated by others.

psychologysocial sciences
BRS
6 itemsFree for researchReference only

Brief Resilience Scale

A 6-item unidimensional scale measuring resilience in its original sense — the ability to bounce back or recover from stress.

psychologyhealth sciences
BSCS
13 itemsFree for researchReference only

Brief Self-Control Scale

A 13-item short form measuring trait self-control — the ability to override inner responses and interrupt undesired behavioural tendencies.

psychologysocial scienceseducation
Brief-COPE
28 itemsFree for researchReference only

Brief-COPE

A 28-item abbreviated version of the COPE inventory measuring 14 coping strategies (two items each), spanning problem-focused, emotion-focused, and avoidant coping.

psychologyhealth sciences
CES-D
20 itemsPublic domainReference only

Center for Epidemiologic Studies Depression Scale

A 20-item self-report scale measuring frequency of depressive symptoms in the past week, designed for epidemiological research in the general population.

psychologyhealth sciences
CoI-34
34 itemsFree for researchReference only

Community of Inquiry Survey

A 34-item survey of teaching presence, social presence, and cognitive presence in online and blended learning communities.

educationsocial sciences
CD-RISC-10
10 itemsLicensedPermission required

Connor-Davidson Resilience Scale-10

A 10-item unidimensional measure of resilience (the ability to cope with adversity), refined from the original 25-item Connor-Davidson Resilience Scale.

psychologyhealth sciences
CBI
19 itemsPublic domainReference only

Copenhagen Burnout Inventory

A 19-item public-domain measure with separate personal, work-related, and client-related burnout scales.

psychologyhealth sciencessocial sciences
DTDD
12 itemsFree for researchReference only

Dark Triad Dirty Dozen

A 12-item brief measure of the Dark Triad — Machiavellianism, narcissism, and psychopathy — with four items per trait.

psychologysocial sciences
DASS-21
21 itemsFree for researchReference only

Depression Anxiety Stress Scales-21

A 21-item short form of the Depression Anxiety Stress Scales, with three 7-item subscales measuring depression, anxiety, and stress over the past week.

psychologyhealth sciences
DERS-36
36 itemsLicensedPermission required

Difficulties in Emotion Regulation Scale

A 36-item measure of perceived difficulties across six dimensions of emotion regulation.

psychologyhealth sciences
EPDS
10 itemsFree for researchReference only

Edinburgh Postnatal Depression Scale

A 10-item self-report screen for depression during pregnancy and after childbirth, focused on mood symptoms rather than the somatic ones common in the perinatal period.

health sciencespsychology
eHEALS
8 itemsFree for researchReference only

eHealth Literacy Scale

An 8-item measure of perceived ability to find, evaluate, and use online health information.

health sciencespsychology
ERQ
10 itemsPublic domainReference only

Emotion Regulation Questionnaire

A 10-item self-report measure of habitual cognitive reappraisal and expressive suppression as emotion-regulation strategies.

psychologysocial sciences
EQ-5D-5L
6 itemsLicensedPermission required

EQ-5D-5L (Five-Level EuroQol)

A generic preference-based measure of health-related quality of life across five dimensions: Mobility, Self-Care, Usual Activities, Pain/Discomfort, and Anxiety/Depression. Each dimension has five response levels. The descriptive system is accompanied by a visual analogue scale (EQ VAS) rating overall health today from 0 (worst) to 100 (best).

health sciencespsychology
ECR-R
36 itemsFree for researchReference only

Experiences in Close Relationships-Revised

A 36-item measure of adult romantic attachment along two continuous dimensions — attachment-related anxiety and avoidance — refined using item response theory.

psychologysocial sciences
FSS
9 itemsFree for researchReference only

Fatigue Severity Scale

A 9-item unidimensional scale measuring the functional impact of fatigue on daily activities, developed in multiple sclerosis and lupus populations.

health sciencespsychology
FoMO
10 itemsFree for researchReference only

Fear of Missing Out Scale

A 10-item unidimensional scale measuring fear of missing out — the pervasive apprehension that others might be having rewarding experiences from which one is absent.

psychologysocial sciences
FFMQ
39 itemsFree for researchReference only

Five Facet Mindfulness Questionnaire

A 39-item measure of trait mindfulness across five facets: observing, describing, acting with awareness, non-judging, and non-reactivity.

psychologyhealth sciences
FS
8 itemsFree for researchReference only

Flourishing Scale

An 8-item summary measure of perceived success in relationships, self-esteem, purpose, competence, optimism, and contribution to others' well-being.

psychologysocial sciences
GAD-7
7 itemsFree for researchSurveyor ready

Generalized Anxiety Disorder-7

A 7-item self-report instrument for screening and measuring the severity of generalized anxiety disorder.

psychologyhealth sciences
GQ-6
6 itemsFree for researchReference only

Gratitude Questionnaire-6

A 6-item unidimensional measure of dispositional gratitude — the tendency to notice and appreciate the positive in life.

psychologysocial sciences
HEXACO-60
60 itemsFree for researchSurveyor ready

HEXACO-60

A 60-item short form of the HEXACO Personality Inventory measuring six broad dimensions: Honesty-Humility (H), Emotionality (E), eXtraversion (X), Agreeableness (A), Conscientiousness (C), and Openness to Experience (O). Adds a sixth factor (H) to the Big Five and reframes Agreeableness and Emotionality around the moral and affective components of interpersonal behaviour.

psychologysocial sciences
HADS
14 itemsLicensedPermission required

Hospital Anxiety and Depression Scale

A 14-item screening scale for anxiety and depression in medically ill and general-hospital populations, deliberately excluding somatic symptoms that confound physical illness.

health sciencespsychology
ISI
7 itemsFree for researchReference only

Insomnia Severity Index

A 7-item self-report measure of the nature, severity, and impact of insomnia over the past two weeks, widely used as an outcome measure in insomnia research.

health sciencespsychology
IPAQ-SF
7 itemsFree for researchReference only

International Physical Activity Questionnaire (Short Form)

A 7-item self-report questionnaire estimating physical activity (vigorous, moderate, walking) and sitting time over the past seven days, yielding MET-minutes per week.

health sciencespsychology
IGDS9-SF
9 itemsFree for researchReference only

Internet Gaming Disorder Scale-Short Form

A 9-item scale assessing Internet Gaming Disorder against the nine DSM-5 criteria over the past 12 months.

psychologyhealth sciences
IRI
28 itemsFree for researchSurveyor ready

Interpersonal Reactivity Index

A 28-item multidimensional measure of dispositional empathy, comprising four 7-item subscales: Perspective Taking (cognitive empathy), Fantasy (imaginative identification), Empathic Concern (other-oriented affect), and Personal Distress (self-oriented affect).

psychologysocial scienceshealth sciences
IUS-12
12 itemsLicensedPermission required

Intolerance of Uncertainty Scale - Short Form

A 12-item short form measuring prospective anxiety about uncertainty and uncertainty-related behavioral inhibition.

psychologyhealth sciences
JSS
36 itemsFree for researchSurveyor ready

Job Satisfaction Survey

A 36-item measure of employee satisfaction with nine work-related facets: Pay, Promotion, Supervision, Fringe Benefits, Contingent Rewards, Operating Conditions, Coworkers, Nature of Work, and Communication. Originally developed for human-service employees and since validated across a wide range of occupations.

psychologysocial sciences
K10
10 itemsFree for researchReference only

Kessler Psychological Distress Scale (K10)

A 10-item scale measuring non-specific psychological distress (anxiety and depressive symptoms) over the past 30 days, widely used in population health surveys.

psychologyhealth sciences
MBI-GS
16 itemsLicensedPermission required

Maslach Burnout Inventory — General Survey

A 16-item measure of burnout in non-human-services occupations. Generalises the original MBI from human-service work to any occupational context. Produces three subscale scores: Exhaustion, Cynicism, and Professional Efficacy (the last is reverse-indexed for burnout — higher efficacy = lower burnout).

psychologysocial scienceshealth sciences
MLQ
10 itemsFree for researchReference only

Meaning in Life Questionnaire

A 10-item measure that distinguishes the presence of meaning in life from the active search for meaning.

psychologysocial sciences
MAAS
15 itemsFree for researchReference only

Mindful Attention Awareness Scale

A 15-item unidimensional scale measuring dispositional mindfulness as the frequency of open, receptive attention to present-moment experience (scored via inattention/absent-mindedness).

psychologyhealth sciences
Mini-IPIP
20 itemsPublic domainReference only

Mini-IPIP

A 20-item short measure of the Big Five personality factors (four items each), drawn from the public-domain International Personality Item Pool.

psychologysocial sciences
MFQ-30
30 itemsFree for researchSurveyor ready

Moral Foundations Questionnaire

A 30-item measure of the five moral foundations identified in Moral Foundations Theory: Care/Harm, Fairness/Reciprocity, Loyalty/Betrayal (Ingroup), Authority/Subversion (Respect), and Sanctity/Purity. The form uses two item types — relevance judgments (Part 1) and agreement with moral statements (Part 2) — three of each per foundation.

psychologysocial scienceshumanities
MSLQ
81 itemsFree for researchReference only

Motivated Strategies for Learning Questionnaire

An 81-item self-report instrument measuring college students' motivational orientations (six subscales) and use of learning strategies (nine subscales); modular by design.

educationpsychology
MSPSS
12 itemsFree for researchReference only

Multidimensional Scale of Perceived Social Support

A 12-item scale measuring perceived adequacy of social support from three sources: family, friends, and a significant other (four items each).

psychologysocial scienceshealth sciences
NASA-TLX
6 itemsPublic domainSurveyor ready

NASA Task Load Index

A multi-dimensional rating procedure that assesses perceived workload across six subscales. Widely used in human factors, aviation, healthcare, and HCI research. Two common versions are in use: the original weighted TLX (with pairwise comparisons) and the Raw TLX (unweighted mean of subscales).

psychologystemhealth sciences
NFC-SF
18 itemsFree for researchSurveyor ready

Need for Cognition Scale (Short Form)

An 18-item short form of the Need for Cognition scale measuring an individual's tendency to engage in and enjoy effortful cognitive activity.

psychologysocial scienceseducation
NGSE
8 itemsLicensedPermission required

New General Self-Efficacy Scale

An 8-item unidimensional measure of a person's general belief in their ability to perform successfully across varied situations.

psychologysocial sciences
OSLQ
24 itemsLicensedPermission required

Online Self-Regulated Learning Questionnaire

A 24-item measure of self-regulated learning behaviors in online and blended courses across six dimensions.

educationpsychology
OCQ
15 itemsFree for researchReference only

Organizational Commitment Questionnaire

A 15-item measure of affective organizational commitment — belief in the organization's goals, willingness to exert effort, and desire to maintain membership.

social sciencespsychology
PCS
13 itemsLicensedPermission required

Pain Catastrophizing Scale

A 13-item measure of rumination, magnification, and helplessness in relation to actual or anticipated pain.

health sciencespsychology
PAM-13
13 itemsLicensedPermission required

Patient Activation Measure

A 13-item measure of patient knowledge, skill, and confidence for self-management of chronic conditions and general health. Items vary in difficulty and are scored using a Rasch-calibrated algorithm that converts raw responses to a 0–100 activation score, classified into four activation levels.

health sciencespsychology
PHQ-15
15 itemsFree for researchReference only

Patient Health Questionnaire-15

A 15-item measure of somatic symptom burden covering the most prevalent physical complaints in primary care, over the past four weeks.

health sciencespsychology
PHQ-9
9 itemsFree for researchSurveyor ready

Patient Health Questionnaire-9

A 9-item self-report instrument for screening and measuring the severity of depression, based on DSM diagnostic criteria.

psychologyhealth sciences
PSS-10
10 itemsFree for researchSurveyor ready

Perceived Stress Scale

A 10-item self-report instrument measuring the degree to which situations in one's life over the past month are appraised as stressful, unpredictable, and uncontrollable.

psychologyhealth sciencessocial sciences
PSQI
19 itemsFree for researchReference only

Pittsburgh Sleep Quality Index

A 19-item self-report questionnaire assessing sleep quality and disturbances over the past month, yielding seven component scores and a global score.

health sciencespsychology
PANAS
20 itemsFree for researchReference only

Positive and Negative Affect Schedule

A 20-item mood scale with two 10-item subscales, Positive Affect and Negative Affect, rated for a specified time frame (e.g., "right now," "past week").

psychologysocial sciences
PCL-5
20 itemsPublic domainReference only

PTSD Checklist for DSM-5

A 20-item self-report measure of the DSM-5 symptoms of post-traumatic stress disorder over the past month, across four symptom clusters.

psychologyhealth sciences
R-SPQ-2F
20 itemsFree for researchSurveyor ready

Revised Study Process Questionnaire

A 20-item instrument measuring two approaches to learning in tertiary students: Deep Approach (driven by intrinsic interest; intention to understand) and Surface Approach (driven by fear of failure; intention to reproduce). Each approach decomposes into Motive and Strategy subscales (5 items each), yielding four 5-item subscales in total.

educationpsychology
RSES
10 itemsFree for researchSurveyor ready

Rosenberg Self-Esteem Scale

A 10-item self-report instrument measuring global self-esteem as a unidimensional construct.

psychologysocial sciences
RRS
22 itemsFree for researchReference only

Ruminative Responses Scale

A 22-item measure of ruminative responses to depressed mood; a refined 10-item version separates maladaptive brooding from more neutral reflection.

psychologyhealth sciences
Ryff-PWB
42 itemsFree for researchReference only

Ryff Scales of Psychological Well-Being

A multidimensional measure of eudaimonic psychological well-being across six dimensions; circulated in 18-, 42-, 54- and 84-item versions.

psychologysocial scienceshealth sciences
SWLS
5 itemsFree for researchSurveyor ready

Satisfaction with Life Scale

A 5-item self-report instrument assessing global cognitive judgments of one's life satisfaction as a component of subjective well-being.

psychologysocial sciences
SCS
26 itemsFree for researchReference only

Self-Compassion Scale

A 26-item measure of self-compassion across six subscales: self-kindness vs. self-judgment, common humanity vs. isolation, and mindfulness vs. over-identification.

psychologyhealth sciences
SCCS
12 itemsLicensedPermission required

Self-Concept Clarity Scale

A 12-item measure of how clearly defined, internally consistent, and stable a person's self-beliefs are perceived to be.

psychologysocial sciences
SD3
27 itemsFree for researchSurveyor ready

Short Dark Triad

A 27-item measure of the three dark personality traits: Machiavellianism, Narcissism, and Psychopathy. Nine items per trait. Designed as a brief alternative to full-length Mach-IV, NPI-40, and SRP scales.

psychologysocial sciences
Grit-S
8 itemsFree for researchReference only

Short Grit Scale

An 8-item measure of grit (perseverance and passion for long-term goals) with two 4-item subscales: consistency of interest and perseverance of effort.

psychologyeducationsocial sciences
SAS-SV
10 itemsFree for researchReference only

Smartphone Addiction Scale (Short Version)

A 10-item short-form scale measuring problematic smartphone use, derived from the 33-item Smartphone Addiction Scale and validated with adolescents.

psychologyhealth sciencessocial sciences
SDO7
16 itemsFree for researchSurveyor ready

Social Dominance Orientation (SDO7)

A 16-item measure of preference for group-based hierarchy and inequality. Distinguishes two subdimensions: Dominance (support for active group-based oppression and hierarchy enhancement) and Anti-Egalitarianism (opposition to equality, conceptualised as hierarchy-maintaining).

psychologysocial sciences
SIAS
20 itemsFree for researchReference only

Social Interaction Anxiety Scale

A 20-item measure of anxiety in social interaction situations — meeting and talking with others — designed as a companion to the Social Phobia Scale.

psychologyhealth sciences
STAI
40 itemsLicensedPermission required

State-Trait Anxiety Inventory (Form Y)

A 40-item self-report inventory measuring two distinct anxiety constructs: state anxiety (how one feels right now) and trait anxiety (how one generally feels), 20 items each.

psychologyhealth sciences
SDQ
25 itemsFree for researchReference only

Strengths and Difficulties Questionnaire

A 25-item behavioural screening questionnaire for children and adolescents (ages 3-16) with five subscales: emotional symptoms, conduct problems, hyperactivity/inattention, peer problems, and prosocial behaviour.

psychologyeducationhealth sciences
SCEQ
23 itemsLicensedPermission required

Student Course Engagement Questionnaire

A 23-item measure of college student engagement spanning study skills, emotional involvement, participation and interaction, and performance behaviors.

educationpsychology
SHS
4 itemsFree for researchReference only

Subjective Happiness Scale

A 4-item global measure of whether respondents consider themselves happy, both absolutely and relative to peers.

psychologysocial sciences
SUS
10 itemsFree for researchSurveyor ready

System Usability Scale

A 10-item questionnaire giving a global view of subjective usability. Alternates positively- and negatively-worded items. Produces a single 0–100 score; 68 is commonly cited as the average.

stempsychologysocial sciences
TSES
24 itemsFree for researchReference only

Teachers' Sense of Efficacy Scale

A 24-item measure (also a 12-item short form) of teachers' self-efficacy across three domains: student engagement, instructional strategies, and classroom management.

educationpsychology
TAM
12 itemsFree for researchSurveyor ready

Technology Acceptance Model (core items)

The original Davis (1989) 12-item scale measuring two determinants of technology acceptance: Perceived Usefulness (PU) and Perceived Ease of Use (PEOU), six items each. The most widely-cited instrument in information-systems research. Item stems should be customised to name the specific system under study.

stemsocial sciencespsychology
TIPI
10 itemsFree for researchSurveyor ready

Ten-Item Personality Inventory

A very brief 10-item measure of the Big Five personality dimensions (Extraversion, Agreeableness, Conscientiousness, Emotional Stability, Openness), with two items per dimension. Intended for use when brevity is essential; sacrifices internal consistency for breadth.

psychologysocial sciences
UCLA-LS3
20 itemsFree for researchSurveyor ready

UCLA Loneliness Scale (Version 3)

A 20-item self-report instrument measuring subjective feelings of loneliness and social isolation. Version 3 uses simpler wording than earlier versions and balances positively and negatively worded items.

psychologysocial scienceshealth sciences
UWES-9
9 itemsFree for researchSurveyor ready

Utrecht Work Engagement Scale (short version)

A 9-item short form of the Utrecht Work Engagement Scale measuring work engagement across three dimensions: Vigor, Dedication, and Absorption.

psychologysocial sciences
WEMWBS
14 itemsLicensedPermission required

Warwick-Edinburgh Mental Well-being Scale

A 14-item scale measuring mental well-being (hedonic and eudaimonic) over the past two weeks, covering positive affect, psychological functioning, and interpersonal relationships.

psychologyhealth sciences
WHO-5
5 itemsFree for researchReference only

WHO-5 Well-Being Index

A 5-item self-report scale of subjective psychological well-being over the past two weeks; brief and widely used as a depression screen.

psychologyhealth sciences
WHOQOL-BREF
26 itemsFree for researchSurveyor ready

World Health Organization Quality of Life — BREF

A 26-item abbreviated version of the WHOQOL-100, measuring quality of life across four domains (Physical Health, Psychological, Social Relationships, Environment) plus two overall items on general QoL and general health. Response anchors vary by item (intensity, frequency, capacity, evaluation).

health sciencespsychologysocial sciences

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