Excel SUMIFS function - syntax & usage. You use SUMIFS in Excel to find a conditional sum of values based on multiple criteria. The SUMIFS function was introduced in Excel 2007, so you can use it in all modern versions of Excel 2013, 2010 and 2007. Compared to SUMIF, the SUMIFS syntax is a little bit more complex:
It breaks down into 8 stages over our lifetime (from birth to death) The interesting part to note is â though we develop conscience form a young age, our ideas of right and wrong are constantly changing. Many people (not the majority, but still enough to note), never make it past stage 4-6 in their development.
Development in Late Adulthood. Late adulthood (old age) is generally considered to begin at about age 65. Erik Erikson suggests that at this time it is important to find meaning and satisfaction in life rather than to become bitter and disillusioned, that is, to resolve the conflict of integrity vs. despair. It has been estimated that by the year 2030, Americans over 65 will make up 20% of the population.