Answer:
True.
Step-by-step explanation:
An abbreviated version means a shorter version or summarized version of another writing.
The Book of Psalms of the Holy Bible contains 150 chapters which contain the songs and praises of God through songs and hymns. The whole book contains 150 chapters. Chapter 100 of the book contains just 5 verses which calls for worship of the Lord. It stresses the theme of God being our creator, and "we are His, we are His people, the sheep of his pasture" (verse 3).
This book is believed to be the abbreviated version of chapter 95. For chapter 95 also stresses the very same themes of worship, His greatness, and "we are his people". This chapter contains 11 verses which all seem to resonate with the same themes. They also contain some phrases that are similar to that of verse 100 such as "sing for joy to the Lord", "come before him with thanksgiving and extol him with music and song", "Lord is the great God", "let us bow down in worship, let us kneel before the Lord our Maker; for he is our God and we are the people of his pasture, the flock under his care" etc.
Thus, it is true that Psalms 100 may be an abbreviated version of another Psalm which is Psalm 95.