2 months through 8 years (C&TC) or 3rd grade (Early Childhood and school screenings). Description : By noting the position of light being reflected in the pupils, the observer is able to check for a less obvious constant strabismus.
Preferential voting may refer to: 1  Ranked voting systems, all election methods that involve ranking candidates in order of preference. 2  Instant-runoff voting, referred to as preferential voting in Australia, is one type of ranked voting system.3  Range voting, in which voters assign points to each candidate. Ranked voting systems, all election methods that involve ranking candidates in order of preference. 2  Instant-runoff voting, referred to as preferential voting in Australia, is one type of ranked voting system. 3  Range voting, in which voters assign points to each candidate.
Fact sheet #11 Proportional representation by single transferable vote system Proportional representation by single transferable vote (PR-STV) Proportional representation by single transferable vote (PR-STV) is a distinctive variant of proportional representation systems.R-STV systems ask voters to rank candidates on the ballot â which is called a preferential ballot. Votersâ choice is based on ranking candidates rather than on choosing a party, so voters can choose between candidates from the same party or vote for candidates from different parties.