Jana is observing a young autistic boy in a preschool classroom. her job is to note each time the boy gets up from his chair without being told to do so. jana's method of noting this behavior is known as

Jana is demonstrating a participant observation method. This is known as a type of data collection method by which the observer takes part in a particular activity and observes the environment or the particular event that he or she is likely to take note of and take mind of what he or she has learned or observed.

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

hope it : )