RATIONALE: Checking the client frequently but at irregular intervals prevents the client from predicting when observation will take place and altering behavior in a misleading way at these times. Option 2 may encourage the client to try to manipulate the nurse or seek attention for having a secret suicide plan. Option 3 may reinforce suicidal ideas. Decreased communication is a sign of withdrawal that may indicate the client has decided to commit suicide; the nurse shouldn't disregard it (option 4).NURSING PROCESS STEP: ImplementationCLIENT NEEDS CATEGORY: Psychosocial integrityCLIENT NEEDS SUBCATEGORY: NoneCOGNITIVE LEVEL: Knowledge