Glossary A

Action research refers to the research conducted by teachers, administrators, and other change agents in the school to improve the educational environment of their students, the goal of of which is to understand a specific problem or to improve teaching practices within a specific classroom or school settings.

Action tremor refers to a tremor that occurs during the performance of voluntary movements which includes postural, isometric, kinetic, and intention tremors.

Activating effect refers to the temporary effect of a hormone on behavior or anatomy, occurring only while the hormone is present

Activation-synthesis hypothesis is an attempt to explain how random activity in lower brain centers results in the manufacture of relatively bizarre dreams by higher brain centers. It is a view that during dreams, various parts of the cortex are activated by the input arising from the pons plus whatever stimuli are present in the room, and the cortex synthesizes a story to make sense of all the activity

Activation-synthesis theory refers to the theory that dreaming results from the cortical synthesis and interpretation of neural signals triggered by activity in the lower part of the brain.

Activational effect refers to the effect of a hormone on a physiological system that has already developed.

Active aggression when a person harms others by performing a behavior, example is the spreading vicious rumors

Active deception refers to the intentional presentation of misinformation about a study to its participants. The most common form of active deception is misleading participants about the specific purpose of the study. Active deception is also known as Commission.