Applied Behavior Analysis (ABA) stands as a comprehensive and systematic approach rooted in the fundamental principle that behaviors are acquired and shaped through the consequences they generate. This methodology serves as a potent tool for understanding and modifying behaviors, ultimately leading to improved quality of life for individuals across a wide spectrum of needs. Central to ABA is the concept that behaviors are influenced by their outcomes. Whether positive or negative, behaviors are strengthened or weakened based on the consequences that follow them. This insight forms the cornerstone of ABA's effectiveness in creating behavior change. By manipulating these consequences, practitioners of ABA seek to increase desired behaviors and reduce undesired ones. ABA interventions are guided by an array of techniques, with reinforcement occupying a central role. Positive reinforcement involves rewarding a desired behavior with something valued by the individual, thereby increasing the likelihood of that behavior occurring again. Conversely, negative reinforcement involves the removal of an aversive stimulus following the occurrence of a behavior, thus encouraging the repetition of that behavior. Both forms of reinforcement harness the power of consequences to shape behavior. In tandem with reinforcement techniques, ABA employs strategies such as prompting and fading. A prompt is an additional cue or assistance provided to guide an individual towards the desired behavior. As the behavior becomes more established, prompts are gradually reduced through a process called fading. This ensures that the individual gains the necessary skills to perform the behavior independently. Fundamental to ABA's success is the systematic collection and analysis of data. This data-driven approach underpins the entire process, from understanding the behavior's current frequency and intensity to tracking progress over time. Objective data collection allows practitioners to make informed decisions, evaluate the effectiveness of interventions, and make necessary adjustments based on observed outcomes. ABA's applicability is extensive, stretching beyond its origins in working with individuals on the autism spectrum. While it remains a cornerstone in autism intervention, ABA principles can be adapted to address behaviors in diverse populations. From children with developmental delays to individuals seeking performance improvement in organizational settings, ABA's strategies can be tailored to suit a broad array of contexts. ABA also places great importance on the concept of functional behavior assessment (FBA). This involves a detailed analysis of the antecedents (triggers) and consequences that surround a particular behavior.