A Systematic Review on Clinimetric Properties of Play Instruments for Occupational Therapy Practice

Table 3

Summary of the quality of psychometric properties of the instruments.

Instrument tool	Terwee checklist [25] (score: + = positive; ? = intermediate; – = poor; 0 = no information available)
	Content validity	Internal consistency	Criterion validity	Construct validity	Reproducibility		Responsiveness	Floor or ceiling effect	Interpretability
					Agreement	Reliability
ChIPPA	+^a, +^b, +^c	?^b	0	?	?, ?^b	?, ?^a, ?^b	0	0	0
Knox’s PPS	?	?^d	0	?	?	+, ?^d	0	0	0
McDonald Play Inventory	0	?	0	—	0	?	0	0	0
My Child’s Play	+	+	0	+	0	0	0	0	0
PAGS	+	0	0	+	0	+	0	0	0
Play History Interview	?	0	0	?	?	?	0	0	0
Playform	+	0	0	0	0	0	0	0	0
ToP + TOES, T-TUM	+^e, +^f, +^g	+^f, +^g	0	+^e, +^f, +^g	?^e, ?^f	?^e, ?^f	0	0	?^f, +^g

^aBrazilian-Portuguese ChIPPA; ^bIranian ChIPPA; ^cIndigenous Play Partner Scale (I-PPS); ^dKnox’s Play Scale; ^eTest of Playfulness (ToP); ^fTest of Environmental Supportiveness (TOES); ^gToP-TOES Unifying Measure (T-TUM).