Frequently asked questions

What is the content of the database?

The NeuroPsychNorms database contains normative data from peer-reviewed studies replaced to more the 50 measures. Overall, more than 1000+ studies on the different measures were input.

Currently available measures (80)

  1. [9HolePeg] Nine-Hole Peg
  2. [ACE_R] Addenbrooke's Cognitive Examination Revised
  3. [ACT] Auditory Consonant Trigrams
  4. [AMT] Australia Motor Test
  5. [AQT] Alzheimer's Quick Test
  6. [BAI] Beck Anxiety Inventory
  7. [Bater_a_IV_WM_ACH] Batería IV Woodcock-Muñoz ACH
  8. [BDAE_CIM] BDAE Complex Ideational Material
  9. [BDI_II] Beck Depression Inventory_II
  10. [BDI_PC] Beck Depression Inventory (Primary Care)
  11. [BNE] Batería Neuropsicológica en Español
  12. [BNT] Boston Naming Test
  13. [BNT15] Boston Naming Test-15 item
  14. [BVMT_R] Brief Visuospatial Memory Test Revised
  15. [BVRT] Benton Visual Retention Test
  16. [B_Test] The B Test
  17. [CAN] Cancellation Tests
  18. [CCPT_II] Conners Continuous Performance Test-II
  19. [CCT] Children's Category Test
  20. [CLOX] CLOX
  21. [CPT3] Conners CPT3
  22. [CT] Category Test
  23. [CTT] Color Trails Test
  24. [DFT] Design Fluency Test
  25. [DigitSpan] Digit Span
  26. [DigSym] Coding (Digit Symbol)
  27. [Dot_Test] Dot Counting Test
  28. [DYNA] Grip Strength Test
  29. [EIWA] Escala de Inteligencia Wechsler para Adultos
  30. [FAB] Frontal Assessment Battery
  31. [FOME] Fuld Object-Memory Evaluation
  32. [FT] Finger Tapping Test
  33. [GPT] Grooved Pegboard Test
  34. [HDS] HIV Dementia Scale
  35. [HVLT] Hopkins Verbal Learning Test
  36. [HVOT] Hooper Visual Organization Test
  37. [IGT] Iowa Gambling Task
  38. [JLO] Judgement of Line Orientation
  39. [MDRS] Mattis Dementia Rating Scale
  40. [MMSE] Mini-Mental Status Exam
  41. [MoCA] Montreal Cognitive Assessment
  42. [NCSE] Cognistat
  43. [NeSBHIS] Neuropsychological Screening Battery for Hispanics
  44. [NEUROPSI1] Evaluación Neuropsicológica Breve en Español
  47. [NIHToolboxCog] NIH Toolbox Cognition Battery
  48. [OTT] Orals Trails Test
  49. [PASAT] Paced Auditory Serial Addition Test
  50. [PerriAVLT] Perri Auditory Verbal Learning Test
  51. [RavensPMT] Raven's Progressive Matrices Test
  52. [RBANS] Repeatable Battery for the Assessment of Neuropsychological Status
  53. [Rey_15] Rey-15
  54. [R_OCF] Rey-Osterrieth Complex Figure
  55. [SDMT] Symbol Digit Modality Test
  56. [SemiCF] Semicomplex Figure
  57. [SPM] Raven's Standard Progressive Matrices
  58. [SPNP11LA] Spanish-Language NP Tests in Eleven Latin American Countries
  59. [SPNP9LA_Peds] Spanish-Language NP Test in 9 Latin American Countries-Peds
  60. [Stroop_C] Comalli Stroop
  61. [Stroop_G] Golden Stroop
  62. [Stroop_H] Hammes Stroop
  63. [Stroop_K] Kaplan Stroop
  64. [Stroop_V] Stroop Victoria
  65. [TexMexAANS] TexMexAANS
  66. [TMT] Trailmaking Test
  67. [TOMM] TOMM
  68. [TPT] Tactual Performance Test
  69. [VF] Verbal Fluency Test
  70. [VFDT] Visual Form Discrimination Test
  71. [VSVT] VSVT
  72. [WAIS_III] Wechsler Adult intelligence Scale III
  73. [WAIS_IV_Mexico_] WAIS-IV (Mexico)
  74. [WCST_128] Wisconsin Card Sorting Test-128
  75. [WCST_64] Wisconsin Card Sorting Test-64 Card
  76. [WCST_M] Wisconsin Card Sorting Test-Modified Version
  78. [WJIV_ACH_STD] WJ IV Tests of Achievement
  79. [WJ_IV_OL_] WJ IV Oral Language Tests
  80. [WRMT_Words] Warrington Recognition Memory Test–Words
    More measures coming soon

In addition to normative data added by the NeuroPsychNorms team to the database, you are more than welcome to suggest studies containing new uncollected data or even measures for which we do not have any data at all.

While our literature tended to focus on normative data and/or control subjects on an experimental trial, the database also includes abnormal data (e.g., TBI, dementia, stroke) and unique data (e.g., re-test data and under other unique conditions). Again, feel free to suggest new studies with abnorms and unique conditions to an existing measure.

The database is configured so you can sort the data easily by the N-size, Demographics or Year. Number of Demographic Stratifications is determined by the number of Stratification types that the study separates their data based on demographic information. For example, if the data of a study is separated by Age, Education, and Gender Identity, this will be at a higher rank than a 2-tier stratification (Age and Education).

What is the methodology used?

  1. Which measures?

    After comprehensively searching the neuropsychological literature, we determined which measures we deemed important to include normative data for the database. We sought out the most commonly neuropsychological measures currently used in both clinical and research settings. We made an effort to focus on cross-cultural neuropsychological measures utilized in the neuropsychological literature, due to the scarcity of these neuropsychological studies.
    Normative data provided by NeuroPsychNorms are collected from peer-reviewed studies.

  2. Which variables?

    After comprehensively looking at each measure we selected, we determined which raw data is commonly scored throughout the literature. For example, the Trail Making Test commonly utilizes scores for Trial A and B while some studies provide B-A, or B+A, B-A/B and errors. We did not include those specific measures in the database.

  3. Means and standard deviations?

    In order for the scoring program to function, the studies must provide means and standard deviations of the measure's variables. As a consequence, we excluded from our database studies which do not include both a Mean and Standard Deviation of a variable.

  4. Stratification of Data?

    If the normative data was not stratified (based on demographics, such as age, education, and gender identity), which is common for control studies comparing an experimental group, an age range was at minimum required to be included in the database. While age was required, we find that education to be important but not required. We included those studies even if they did not report any information on education. Some studies gave also information such as a ratio of males to females but did not actually separate their data based on this gender identity demographic. Stratified data includes gender identity stratification only if the study actually provided separate scores based on gender.

    Number of Demographic Stratifications is determined by the number of Stratification types that the study separates their data based on demographic information. The most common types are age, gender identity, and education. For example, if the data of a study is separated by these three demographic information, the study will have a higher rank than a 2-tier stratification. The program has the capacity to rank based on the number of stratifications by selecting the Demographics button next to the Enter button.

  5. Presentation of scored data?

    Scored data are presented by providing a z-score and precentiles only, at this time.

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