Skip to main content
. Author manuscript; available in PMC: 2017 Sep 7.
Published in final edited form as: BMC Nutr. 2017 Aug 22;3:71. doi: 10.1186/s40795-017-0190-y

Table 1.

Summary of Results of Content Expert Review (n=4)

NLit Domain Scale Content Validity Index (initial) Scale Content Validity Index (after deletion of items with I-CVIa ≤ 0.50 Resulting Changes
Nutrition & Health 0.77 0.80 Prose text modified, 1 question deleted, 1 question modified
Energy Sources in Food 0.875 0.91 Definition in instructions modified, 1 question deleted, 2 questions modified
Household Food Measurement 0.72 0.75 1 question deleted
Food Label & Numeracy 0.98 0.98 Instructions modified, “this food” replaced with “macaroni and cheese” throughout questions
Food Groups 0.92 0.92 Food category added, 1 item deleted, 2 items modified, 2 items added
Consumer Skills 0.93 0.93 Organizational structure of answers modified, added “If [calories or portions] are equal…” to 4 items, replaced “claim” with “package states” on 3 items; Spelled out option C for all (i.e. “Applesauce with no added sugar is equal to an apply in nutrition”)
a

I-CVI = Item Content Validity Index