About King-May

King-May Psychological Assessment Technology Development Ltd is one of the professional psychological measurement companies with the largest scale, the highest degree of internationalization and the most powerful technical force in China nowadays.

Order Test and Related Materials


Wechsler Preschool and Primary Scale of Intelligence™ - Fourth Edition (Hong Kong)

Author(s): David Wechsler

At a Glance:

  • Administration: Paper-and-pencil

    Completion Time: Core subtests: 60-90 minutes

  • Scores/Interpretation: Full Scale IQ, Primary Index Scores and Ancillary Index Scores

    Publication Date: 2018

  • Ages: Children 4:0-6:11
  • Norms: Hong Kong
Note: King-May is authorized to revise and sell exclusively WPPSI-IV (HK) by NCS Pearson, Inc in Hong Kong

Product Summary


The WPPSI-IV is an innovative measure of cognitive development for preschoolers and young children that's rooted in contemporary theory and research that also places a strong emphasis on child-friendly, developmentally appropriate features and includes new processing speed tasks, the addition of working memory subtests, an expanded factor structure. The extensive enhancements are targeted to benefit both children and examiners.

Expanded and Updated Factor Structure

The test structure includes three levels of interpretation: Full scale, Primary Index scale and Ancillary Index scale levels.

The Primary Index scales include

  • Verbal Comprehension Index (VCI)
  • Visual Spatial Index (VSI)
  • Working Memory Index (WMI)
  • Fluid Reasoning Index (FRI)
  • Processing Speed Index (PSI)

The Ancillary Index scales include

  • Vocabulary Acquisition Index (VAI)
  • Nonverbal Index (NVI)
  • General Ability Index (GAI)
  • Cognitive Proficiency Index (CPI)

Features & Benefits

Improved Developmental Appropriateness

  • With consideration of the unique challenges of assessing young children, the WPPSI-IV was redesigned to strengthen the emphasis on ensuring all aspects of the WPPSI-IV are developmentally appropriate.

New Processing Speed Subtests

  • The three new game-like subtests offer engaging art and use an ink dauber to indicate responses, which minimizes fine motor demands. Each subtest is built with careful consideration to the cognitive, motor, and language development of young children.
  • Bug Search and Animal Coding are adaptations of WPPSI-III Symbol Search and Coding.
  • Cancellation is a more developmentally appropriate adaptation of the WISC-IV version.

Simplified Instructions

  • Simplified and shortened directions for children
  • Demonstration, sample and teaching items used whenever possible to ensure clarity of task demands

More Efficient Test Administration

  • Numerous updates make administration as efficient and user-friendly as possible.
  • Testing time is maintained or reduced while construct coverage is increased.
  • Clear and concise examiner instructions, including shortened discontinue criteria and simplified substitution, invalidation, and proration rules.
  • Stimulus book contents distributed to maximize portability
  • New and durable storage solutions for manipulatives, including puzzles.

Updated and Improved Psychometric Properties

  • The normative sample was stratified to match current Hong Kong census data based on sex, race/ethnicity, parent education level, and geographical region for each group
  • Improved subtest floors and ceilings
  • Comparable or improved reliability for subtest and composite scores

Use & Applications

  • Identify and qualify students with cognitive delays for special services
  • Evaluate children for cognitive delays, intellectual disabilities, autism and giftedness
  • Evaluate the impact of traumatic brain injury on cognitive functions in children
  • Evaluate cognitive ability of children in question during custody hearings

Details & Pricing

WPPSI-IV (HK) - Fourth Edition (HONG KONG)
Name Qty Price(HKD)
WPPSI-IV (HK) Kit - Soft Case: (Manual, 3 Stimulus Books, 5 Record Forms, 5 of each Response Booklet 1, 2 and 3, Scoring Keys, Block Set, Puzzle Set, Zoo Location Set, 1 Dauber, 2 Pencils Without Eraser, CD of WPPSI-IV Technical and Interpretive Manual) 1 $37,000.00
WPPSI-IV (HK) Kit with Scoring Assistant - Soft Case 1 $39,500.00
WPPSI-IV (HK) Scoring Assistant:(The Scoring Assistant software allows you to score a case, maintain demographic information and store raw scores. It features a table and graph report, which provides raw to scaled score conversions, index scores, and strength and weakness discrepancies.) 1 $3,200.00
WPPSI-IV (HK) Consumable Combo Pack:(1 Pack of 25 Record Forms, 25 Response Booklet 1, 25 Response Booklet 2 and 25 Response Booklet 3) 1 $6,300.00
WPPSI-IV (HK) Record Forms (25) 1 $2,080.00
WPPSI-IV (HK) Response Booklet 1 (25) 1 $1,900.00
WPPSI-IV (HK) Response Booklet 2 (25) 1 $1,480.00
WPPSI-IV (HK) Response Booklet 3 (25) 1 $1,780.00
Note: Purchasing now, you can get a discounted price. The more you buy, the more discounts you get! After login, please press “Order products”. Depending on the quantity ordered, the form will compute a total discounted price for you.