Shared reading quality assessment by parental report: preliminary validation of the DialogPR

BMC Pediatrics

Table 2 Item Analysis and Summary Statistics for DialogPR (Rasch Analysis)

Item	M(SD)	Difficulty	Standard Error	Infit z	Outfit z	Point-Measure Correlation
Recall (Q4)	1.1 (0.9)	1.06	0.23	0	− 0.5	0.73
Discuss Before (Q1)	1.1 (0.9)	1.01	0.22	−1.2	−1.8	0.72
Completion (Q3)	1.1 (0.9)	1.01	0.22	1.0	0.7	0.63
Distancing (Q7)	1.2 (0.8)	0.86	0.22	0.2	0.2	0.62
Open-ended (Q5)	1.8 (1.0)	−0.47	0.21	−0.2	0.7	0.72
“Wh” Questions (Q6)	1.8 (0.9)	−0.60	0.21	−1.3	−1.6	0.71
Discuss After (Q8)	2.0 (1.0)	−0.86	0.21	0.9	0.4	0.64
Respond (Q2)	2.4 (0.7)	−2.00	0.23	1.8	0.5	0.44

Note. Terms used here to describe items are summaries of the main concepts of the items themselves. Actual items numbers are abbreviated as Q1 through Q8
Rasch and item-level summary statistics for DialogPR scores (n = 49), including mean (M), standard deviation (SD), Difficulty, standard error, internal fit, external fit, and Point-Measure (item-total score) correlation. Terms referenced with each item number briefly summarize the main purpose of the item. Items are presented in order of difficulty, from most difficult (1.06) to least difficult (− 2.00)

ISSN: 1471-2431