In research, an unobtrusive measure is a method of making observations without the knowledge of those being observed. Unobtrusive measures are designed to minimize a major problem in social research, which is how a subjectâs awareness of the research project affects behavior and distorts research results.hree types of unobtrusive measurement are discussed here... An indirect measure is an unobtrusive measure that occurs naturally in a research context. The researcher is able to collect the data without introducing any formal measurement procedure.....Content analysis is the analysis of text documents.
patellar reflex. n. A reflex contraction of the quadriceps muscle resulting in a sudden involuntary extension of the leg, produced by a sharp tap to the tendon below the patella. Also called knee jerk, knee-jerk reflex, knee reflex, quadriceps reflex.
A knee jerk is a spinal reflex. In a spinal reflex, a sensation is relayed to neurons in the spinal cord via a sensory pathway. Neurons in the spinal cord create reflexes that occur independent of the brain.The spinal nerves, which carry signals to and from the brain, make most of the body's functions, such as movement, and senses, possible.A spinal reflex will bypass the brain and is an action only by the cells in the spinal cord. spinal reflex will bypass the brain and is an action only by the cells in the spinal cord.