Objectivity the extent to which the researcher s subjective judgment is required. The observer may or may not take an active role in the observation but must have a plan so that each observation session is similar.
Observation needs a predetermined guide for recording behavior.
Observation is data collection method of choice for samples with infants, children, mentally retarded individuals. Observation utilized to gather information on characteristics and conditions of individuals, verbal and nonverbal communication behaviors, activities, and environmental conditions. Can be avoided by counterbalancing positive and negative statements. Validity extent tool accurately identifies differences. Difference between what exists in reality and what is measured by a research tool.