▁individuals ▁( for ▁example ▁standard ized ▁psych ological ▁measures ) ▁rather ▁than ▁to ▁a ▁group ▁setting ▁( R os si ▁et ▁al ., ▁ 2 0 0 4 ). ▁These ▁factors ▁may ▁result ▁in ▁' no ise ' ▁which ▁may ▁obsc ure ▁any ▁effect ▁the ▁program ▁may ▁have ▁had . ▁ ▁Only ▁measures ▁which ▁ade qu ately ▁achieve ▁the ▁benchmark s ▁of ▁reli ability , ▁valid ity ▁and ▁sens itivity ▁can ▁be ▁said ▁to ▁be ▁cred ible ▁evalu ations . ▁It ▁is ▁the ▁duty ▁of ▁evalu ators ▁to ▁produce ▁cred ible ▁evalu ations , ▁as ▁their ▁find ings ▁may ▁have ▁far ▁reaching ▁effects . ▁A ▁dis cred itable ▁evaluation ▁which ▁is ▁unable ▁to ▁show ▁that ▁a ▁program ▁is ▁ach ieving ▁its ▁purpose ▁when ▁it ▁is ▁in ▁fact ▁creating ▁positive ▁change ▁may ▁cause ▁the ▁program ▁to ▁lose ▁its ▁fund ing ▁und es erved ly . ▁ ▁Ste ps ▁to ▁Program ▁E valu ation ▁Framework ▁ ▁According ▁to ▁the ▁Center ▁for ▁D ise ase ▁Control ▁( CD C ) ▁there ▁are ▁six ▁steps ▁to ▁a ▁complete ▁program ▁evaluation . ▁The ▁steps ▁described ▁are : ▁eng age ▁st ake holder , ▁describe ▁the ▁program , ▁focus ▁the ▁evaluation ▁design , ▁gather ▁cred ible ▁evidence , ▁justify ▁conclus ions , ▁and ▁ensure ▁use ▁and ▁share ▁less ons ▁learned . ▁ ▁These ▁steps ▁can ▁happen ▁in ▁a ▁cycle ▁framework ▁to ▁represent ▁the ▁continu ing ▁process ▁of ▁evaluation . ▁ ▁E valu ating ▁Collect ive ▁Imp act ▁Though ▁program ▁evaluation ▁processes ▁mentioned ▁here ▁are ▁appropriate ▁for ▁most ▁programs ,