Zahra Khounani, Homa Hosseinzadeh-Bandbafha, Abdul-Sattar Nizami, Alawi Sulaiman, Sayed Amir Hossein Goli, Elham Tavassoli-Kafrani, Akram Ghaffari, Mohammad Ali Rajaeifar, Ki-Hyun Kim, Ahmad Farhad Talebi, Mortaza Aghbashlo, Meisam Tabatabaei
Data on environmental analysis of natural antioxidant production from walnut husk by a solar photovoltaic-driven system as a replacement for potentially carcinogenic synthetic antioxidants
Data in brief
purpose issues related validity reliability measurement instruments used research reviewed summary key indicators quality measuring instrument reliability validity measures process developing validating instrument large part focused reducing error measurement process reliability estimates evaluate stability measures internal consistency measurement instruments interrater reliability instrument scores validity extent interpretations results test warranted depends particular use test intended serve responsiveness measure change interest many applications health care improvement outcomes result treatment primary goal research several issues may affect accuracy data collected related selfreport secondary data sources selfreport patients subjects required many measurements conducted health care selfreports behavior particularly subject problems social desirability biases data originally gathered different purpose often used answer research question affect applicability study hand conclusion health care social science research many variables interest outcomes important abstract concepts known theoretical constructs using tests instruments valid reliable measure constructs crucial component research quality