Answer:
Single-blind procedure/study
Explanation:
Single-blind of study is a type of research procedure in which the researcher is the only one that knows the experimental and control group, only the researcher knows the treatment each group is receiving. The aim of this method is to reduce bias in the study.
<span>Four year old Johnny is showing his lack of development in conservation. This is a type of logical thinking that is not generally present in children in the early stages of development during the ages of 2 thru 7, but it begins to develop during their operational stage which occurs from 7 thru 11.</span>
Correlated I wanted to know the system.
From samba and carnival to food, music and religion, African culture is everywhere in Brazil.
if the cost of resources used to produce a good increases, sellers will be less inclined to supply the same quantity at a given price, and the supply curve will shift to the left
