According to the authors, the limitations of the design do not allow other variables, such as , to be ruled out as possible influences on the drug and alcohol use outcomes of 12-step participants.
a. maturation confound
b. time confound
c. motivational confound
d. participation confound

Form two real words by combining a prefix and/or suffix with the root listed below. if you need to, use your dictionary. then illustrate that the word has the meaning of that root by using one of those words in a sentence. example: dic, dict=to say 1. addiction 2. edict the judge's edict was the final say in that matter. mit, mis=send

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Can someone “think of a time you overcame a challenge or obstacle. describe the experience in two or three sentences”