Valudity : Measures what it is supposed to measure.

Reliability : Produces consistent and stable results.

Standardization : Has clear norms, procedures, and scoring guidelines.

Relevance : Adapted to the developmental area and cultural context of the child.

Objectivity : Minimizes examiner bias through clear items and rules.

Cognitive : memory, problem solving, attention.

Motor : fine and gross motor coordination.

Language : vocabulary, comprehension, expression.

Socio-emotional : social skills, self-regulation, attachment.

b) By Type of Tool

Standardized Tests : e.g., WISC, Bayley Scales.

Checklists : structured lists of behaviors (e.g., Ages & Stages Questionnaires).

Observational Tools :systematic observation of play or interaction.

Developmental Scales : milestones across areas (e.g., Denver II).

Interviews : structured or semi-structured w

ith parents/teachers.

Area assessed: Cognitive, motor, language, and socio-emotional.

Population: Children from birth to 6 years old.

Description: A screening tool that assesses developmental milestones in four domains.

Use in early stimulation: Detects delays early to guide intervention programs.

Card 2: Peabody Picture Vocabulary Test (PPVT)

Area assessed: Language (receptive vocabulary).

Population: Children and adolescents, 2.5 years and older.

Description: Measures understanding of spoken words by having the child point to pictures.

Use in early stimulation: Identifies language delays and guides expressive/receptive language training.