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CHAPTER I PSYCHOLOGY: THE SCIENTIFIC STUDY OF BEHAVIOR Men – as individuals and as societies – have always endeavored to understand, predict, influence, and control human behavior – their own behavior and that of others. - Carl Rogers PSYCHOLOGY - comes from Greek words : PSYCHE and LOGOS Psyche which means soul or mind Logos which means study Scientific study of behavior and mental processes (Feldman 1990; Atkinson, et.al 1993) Scientific study of behavior and its causes (Smith, et. al 1982) Scientific study of human behavior and mental life (Roediger, et. al. 1984) The science and means of promoting human welfare (Wortman, et. al. 1985) Science of behavior and cognitive processes (Baron 1989) It is chiefly concerned with what makes people behave as they do. A scientific study of the behavior of all living organisms with special attention to human behavior Psychology is a science because it is systematic (methodical), empirical (experience/observation) and dependent upon measurement. BEHAVIOR : activities that can be observed objectively e.g. a. reaction of muscles and glands b. organized patterns of responses as a whole : also includes internal processes like thinking, feeling and other reactions which cannot be directly observed but can be inferred from external behavior CLASSIFICATIONS OF BEHAVIOR a. b. c. d. OVERT COVERT INTRINSIC EXTRINSIC - publicly seen or known concealed or disguised inherent or innate external STUDY : it enables the individual to learn more quickly and choose a vocation more intelligently : it makes a person achieve emotional equilibrium and make better social adjustments : it enables one to resolve problems, and to develop greater personal efficiency WHAT PSYCH IS? Since it is a science, psychologists are scientists therefore it is guarded by six fundamental characteristics. 1. Human behavior follows an orderly pattern. Even if there is change in a person’s life, there is a degree of order and regularity in its nature. Change pattern can be understood. 2. Human behavior can be known. It can be empirically observed, therefore it can be investigated. 3. Knowledge of human behavior is tentative but superior to ignorance. We must pursue knowledge not only for its own sake but also to be able to improve human conditions. 4. Natural phenomena have natural causes. All natural events have natural causes. Science rejects the beliefs in supernatural forces to cause events. 5. Nothing is self-evident. Truth must only be claimed and established when they are demonstrated objectively. Scientists never rely on traditional, subjective beliefs. They are skeptical and critical in their approach to truths. Rational criticism is the core of any scientific enterprise. 6. Knowledge is derived from the acquisition of experiences. Anything in this world must be empirically explained. In most cases, we only rely on our perceptions which is achieved through our senses, rely on experiences and observations. Knowledge is a product of experience. WHAT PSYCH IS NOT? 1. Psychology and the Mysterious Psychology is learned through observation, careful reflections of what they observed and through checking of what their conclusion is. It is not magical, mysterious, or super human way of looking into thoughts or feelings of a person. 2. Psychology and Common Sense. There are statements accepted by common sense but are not accepted by psychology. e.g. Notion that insane or mentally ill person have “lost their minds”. 3. Psychology and the Para-science. People confused psychology with the para-sciences. Para-science is base on premises that differ sharply from those of the scientific world. Examples are phrenology : studies personality through the bumps and hollows of a person’s skull and graphology : bases the character of a person on handwriting. These para-sciences had no scientific evidence to support their claims while psychology is based on the traditional methods of science including the systematic gathering of data, putting hypothesis to careful tests and cumulative building of knowledge. HISTORICAL ORIGINS OF PSYCHOLOGY The roots of psychology can be traced from great philosophers of ancient Greece. The famous ones were Socrates, Plato and Aristotle who posed fundamental questions about mental life: What is consciousness? Are people inherently rational or irrational? Is there really such a thing as free choice? Other psychological questions deal with the nature of the body and human behavior, and they have an equally long history. Hippocrates, often called the “father of medicine”, lived around the same time as Socrates. He was deeply interested in physiology, which is the study of the functions of the living organisms and its parts. His observation on how the brain controls various organs of the body became the biological perspective of psychology. The Beginnings of Scientific Psychology The historical framework of present-day psychology can be best understood by taking up the establishment of the different schools of psychology. The term school refers to the group of psychologists who associated themselves with the early leaders in psychology both geographically and systematically. SCHOOLS OF THOUGHTS 1. STRUCTURALISM A school of thought which studies conscious experience, conceived as made-up elementary mental states observed through introspection. Developed in Germany in 19th century by Wilhelm Wundt, “Father of Modern Psychology” Concern : discovery of the structure of the mind Belief : the mind is made up of building blocks (Titchener) in the form of various types of sensation and perception. Building blocks could be discovered through INTROSPECTION looking into one’s own mind observation of conscious experience and self report by trained observers as their method of investigation. self-observation and analysis of one’s mental processes and states According to Edward Bradford Titchener, the role of psychology was to reduce conscious processes to their simplest and most basic components and determine how they are combined and their laws of combination. Sensation : a psychological event that occurs when receptors are stimulated 1. PHYSICAL SENSATION - condition of mind or body resulting from stimulation of sense organs 2. AFFECTION or FEELINGS - a personal emotional experience, an aspect of emotion which differs in the degree of intensity 3. IMAGES - mental picture, picture of the mind Perception : the giving of meaning to a stimulus received by the sense organs WILHELM WUNDT (1831-1920) - father of Scientific Psychology - interested in analyzing conscious experiences began when he became curious about an effect that could be produced by a METRONOME, a pendulum-like device that ticks ata steady rate and is used in music training to help maintain a tempo. - He worked in a laboratory in Leipzig, Germany - In order to carry out a systematic analysis of the structure of the conscious adult mind: CONSCIOUSNESS ELEMENTS INTERACTION Wundt hoped to establish a field of psychological research that would follow the footsteps of physics and chemistry. Structuralism was brought to he United States of America by Edward B. Titchener (1867-1927) and he began a laboratory at Cornell University in 1892. CRITICAL FLAWS 1. introspective method itself. 2. Observing what you are experiencing changes the experience. 3. Psychologists began to discover that the very act of introspection altered the conscious experience they wanted to examine. 4. Discovery: different researchers independently using the introspective method were getting different results. 5. Nothing could be done to resolve the disagreement between trained observers since all were describing a personal experience, who could say which observer was correct? 1930’s - reseachers begun to abandon structuralism - psychologists working with animals were finding exciting results without introspection - European psychoanalysts were examining the influence of unconscious processes in maladjustment - Many American psychologists were searching for practical solutions to everyday problems. MAJOR CONTRIBUTIONS/REASONS WHY PSYCHOLOGY OWES A DEBT TO STRUCTURALISM 1. It provided psychology with a strong scientific and research impetus. 2. It gave the introspective method a thorough test; which was worthwhile since most psychologists are now in agreement that introspection has severe limitations. 3. It served as foundation against which new schools of psychological thought could rebel. 2. FUNCTIONALISM leaders (taught at the University of Chicago in the 20th century) - James R. Angell - John Dewey - Harvey Carr Most Important Contributions 1. Changing the focus of psychology to learning, motivation and thinking veered away from the structuralists’ emphasis on individual perception and sensations. 2. LONGITUDINAL RESEARCH - technique used in effort to understand human behavior processes. consists of interviewing, testing, observing one person over a long period of time. permits psychologists to observe and record the person’s development and how he reacts to different circumstances. WILLIAM JAMES - 1st native American Psychologist - 1875, had a mall demonstration laboratory in Harvard - Harvard offered the 1st college course under the name psychology concern : a. practical application of findings b. the utility of how conscious processes function in the adjustment of man to his environment relied : on EXPERIMENTATION for its method of investigation belief : that psychology should focus on true-to-life everyday experience (James) 3. PSYCHOANALYSIS developed by Viennese physician, SIGMUND FREUD (1856-1939) traces its roots to neurology and medicine GOAL : to treat and understand abnormal behavior - he presented as one of the major tenets of psychoanalysis--“the concept of the unconscious mind” CRITICS : THREE BLOWS TO HUMAN PRIDE 1. Copernicus - demonstrated that the earth was not the center of the universe 2. Charles Darwin - state that human evolved from lower specie 3. Sigmund Freud - argued that humans are not the conscious masters of their behavior Techniques: a. b. c. d. Hypnosis Free Association Dream Interpretation Slips of the Tongue or Freudian Slips Criticisms: 1. Lack of scientific control and careful experimentation. 2. It relies on techniques that have never been validated. Contribution/Historical Importance Freud’s work made a great contribution to psychology because the interest it stimulated in many neglected areas --- the working of the unconscious mind, sexuality, emotionality, abnormal behavior, conflict, childhood did prove fruitful. 4. BEHAVIORISM John B. Watson - founder, developed an objective system of Psychology - student of Angell at the University of Chicago - argued that psychologist should use only objective method, and their observations and measurements should be in a form which could be checked and verified by other psychologists Focus Aim : prediction and control of actual behavior : “doings and sayings of people” IVAN P. PAVLOV - Russian Physiologist (1849-1936) - established the phenomena of conditioning, method of behaviorism by experimenting on conditioned responses OPERANT CONDITIONING RESPONSE REINFORCEMENT Response increases if followed by reinforcement CLASSICAL CONDITIONING The acquisition procedure in which a previously neutral stimulus is paired with a response producing stimulus until the neutral stimulus elicits the same type of responses. Two stimulus tends to go together NEUTRAL STIMULUS paired with RESPONSE – PRODUCING STIMULUS OPTIMISM : By focusing the democratic view that human beings are minimally limited by heredity and easily changed by experience. ASSUMPTION : “All People, regardless of their talents, penchants, tendencies, abilities, vocations, race of ancestors --heredity and background could improve themselves and their positions in life. HOPE : To established a utopian society based on behavioralistic principles CRITICISMS 1. Behaviorists often ignore important but unobservable aspects of human behavior, such as emotion, though and unconscious process. 2. Discredit feelings or ideas that didn’t readily lend themselves to controlled experimentation 3. Heredity places a role on the behavior of human beings. (constraint) CONTRIBUTIONS 1. 2. 3. 4. Demonstrated that much of our behavior is the product of our immediate environment. Shown that the associations we experience, the pleasant or unpleasant consequences following our actions and our observations of the actions of those around us often determine our behavior. Through behavior technology, problems such as aggression, phobias, shyness and poor study habits can often be corrected. Behavioral psychologists have emphasized the need to define terms carefully, run controlled experiments and generally make psychology more of a science. 5. GESTALT “form or shape” “pattern or configuration” founded and developed by MAX WERTHEIMER (1880-1943) in opposition to structuralism belief : “We Perceive wholes rather than simple combinations of individual elements”. “THE WHOLE IS DIFFERENT FROM THE SUM OF ITS PARTS” Structuralism is the brick and mortar Psychology, for it attempts at analyzing mental experiences into its separate components. emphasized the active role of the mind in organizing sensations into meaningful perceptions WOLFGANG KOHLER -popularized GESTALT Conscious sensations can be examined but the whole experience must be taken for what it is. The Laws of Psychology are the Laws of Systems, not parts. 6. PURPOSIVISM WILLIAM MCDOUGALL - advocate, adopt another school of thought - conducted his research at Duke University of Durham, North Carolina - believed that objects, movements and behavior have a definite purpose - - stressed that : “behavior cannot be understood adequately without understanding his goals” … that man is dynamic, striving, purposeful and creative creature. It is referred also as HORMIC PSYCHOLOGY because it places an importance of hormones in life. 7. HUMANISM (the 3rd force in Psychology) a. Psychoanalytic View by Sigmund Freud b. Behavioral View by John Watson c. Humanistic View by ABRAHAM MASLOW (1908-1970) and CARL ROGERS Humanists don’t believe that behavior is governed either by unconscious drives and motives or by external stimuli and rewards in the environment. They argued that people are FREE AGENTS, having free will and that they are conscious, creative and born with an in order motivation to fulfill their potential. SELF – ACTUALIZATION - is a life long process rather than as a final goal that one eventually reaches Behavior can only be understood by examining each individual’s unique SELFPERCEPTION. Maslow developed a concept on personality based on ideas. Rogers developed therapies to help in developing individual potentials. FIELDS OF PSYCHOLOGY 1. Biological Psychology (Physiological Psychology) - Seek to discover the relationship between biological processes and behavior. 2. Experimental Psychology - Experimental Psychologists usually conduct research from a behaviorist or cognitive perspective and use experimental methods to study how people react to sensory stimuli, perceive the world, learn and remember, reason and respond emotionally. 3. Developmental Psychology - Concern with human development and the factors that shape behavior from birth to old age. 4. Social Psychology - Interested in how people perceive and interpret their social world and how others influence their beliefs, attitudes and behavior. - Concern with social relationships between and among people, and with the behavior of groups. 5. Clinical Psychology - Apply psychological principles to the diagnosis and treatment of emotional and behavioral problems such as mental illness, drug addiction, and marital or family conflict. 6. Educational Psychology - Educational Psychologists are specialists in learning and teaching. - They do research on teaching methods and help train teachers. 7. Industrial Psychology (Organizational Psychology) - Industrial Psychologists typically work for a company. - The field is concern with problems such as selecting people who are most suitable for particular jobs or developing job training programs. 8. Forensic Psychology - It deals with legal issues. GOALS OF PSYCHOLOGY (Wrightsman 1979) 1. Describe behavior. – sharing of phenomenon 2. To identify factors that help predict behavior. rely on variety of techniques a. basis of past performance (High school vs. College) b. test and correlation technique (if a worker is satisfied with the job it means he is interested on the job) 3. To understand or explain behavior by identifying causes that bring about certain effects. Principles - the comprehensive framework are the theories - assembling the known facts - gaining insights into the relationship among observable behaviors - deriving principles and models them that will explain behavior * Theories - explanatory tool serve to integrate and systematized knowledge make possible formulation of new assumptions or hypotheses which can be tested experimentally subject to change 4. To control or change behavior. – works with prediction METHODS OF PSYCHOLOGICAL STUDY (Morgan 1977) 3 Major Categories 1. DESCRIPTIVE METHOD - provides description of a behavior of a person or animal being studied - consists of words and numbers (e.g. IQ scores) a. Naturalistic Observation - simply recording what you see and hear without selecting some events and ignoring others b. Systematic Observation - more precise and systematic with the use of tests, scales, inventories and questionnaires c. Clinical Method - making diagnosis of problem (depression, emotional trauma) 2. EXPERIMENTAL METHOD - basis or foundation of scientific research - method : determines the value of the work through the accuracy of the equipment influences ultimate results - presence of 2 variables : independent and dependent variables, can change the amount or quality Independent Variable (IV) - factor that produces the effects being examined in the experiment Dependent Variable (DV) the changed condition that is considered to be a consequence of, or to depend on 3. STATISTICAL METHOD - necessary for the proper interpretation of test results and other data that have significance as a means of evaluation a. Measures of Central Tendency MEAN : average of the set of scores arrives at by adding all scores and dividing by their number. MEDIAN : score midway the test and highest score MODE : most common score or number * the advantages of this method are its being organized and that it can reduce data to descriptive terms b. Correlation - degree of the relationship between 2 variables c. Reliability and Validity reliability : refers essentially to repeatability : a test is reliable if it yields similar results validity : to correlate tests : extent with which a test measures what it is suppose to measure References: Atkinson, Rita L. et.al. Hilgard’s Introduction to Psychology, 13th edition. Philippines: Thomson Learning, Incorporated. 2000. Bucu, Luz C. et.al. Introduction to Psychology, 2nd edition. Philippines: Rex Bookstore. 2000. Gaerlan, Josefina. et.al. General Psychology, 5th edition. Philippines: Ken, Incorporated. 2000.