Three levels of help human services organizations to achieve goals they develop for their clients.

The three levels of help human services organisations provide are Macro, Mezzo and Micro.

Explanation:

Macro Level

This is focused on a higher scale and includes work like program development, community-based initiatives, policy changes etc. The type of organisations working at this level includes government agencies,  non-profit companies and/or advocacy groups.

Mezzo Level

This is concentrated on a intermediate scale involving smaller groups. Examples of such practices includes helping those who are victims of criminal activity.

Micro Level

This type of work is focused on individual levels like helping people to provide them with their basic needs like food, clothes and/or home. This also includes work like counselling and family therapy.

answer/// randomly assign the participants to the   conditions

answer casual models;