Archives

Reticular Activating System The reticular activating system is a structure in the brain stem that is responsible for arousal and sleep. The…

Resistance During psychoanalysis, there are many signs that the client and therapist are making progress and working toward identifying the root of…

Repression (repressed memory) When explaining repression, Freud compared the process to “condemnation” and stated the following: “Let us take a model, an…

Representative Sample When conducting a study, a researcher selects a relatively small group of participants (a sample) from an entire population of…

Representative Heuristic A Representative Heuristic is a cognitive bias in which an individual categorizes a situation based on a pattern of previous…

Replication Getting some results in one research study is nice, but as scientists we like to make sure of the findings. To…

REM Sleep There are two types of sleep, REM and NREM (non-REM). REM, which is also known as paradoxical sleep, stands for…

REM Rebound When you are sleep deprived you lose out on two types of sleep, REM and NREM (non- REM). Typically when…

Reliability Reliability refers to the extent to which a test or other instrument is consistent in its measures. For example, a weight…

Relative Size Relative size is a perceptual clue that allows you to determine how close objects are to an object of known…