Share 0. (ii) Any one definition cannot capture the range of phenomena involved. Therefore, it can be said that the manipulated variable is absent in control group. Validity – The test has to be devised to measure what it claims to measure in order to be held as valid and usable. Q6 : Discuss the strengths and weaknesses of experimental method as a method of enquiry. Explain the nature of thinking. They attain educational and professional qualification and understand, predict and modify human behaviour by scientific methods. (iv) The mind emerges and evolves as our interactions and experiences in this world get dynamically organized in the form of a system which is responsible for the occurrence of various mental processes. Many variables cannot be manipulated in laboratory settings. Test-retest indicates temporal stability and split-half indicates internal consistency of the test. Psychology is based on hindsight. (ii) Data collection – The second step involves the preparation of a blueprint of the entire study. He focused on unconscious mind and childhood experiences. • Psychology as a social science discipline focuses on humans as social beings. (vi) A hypothesis is a tentative solution to a problem that helps in guiding a research or a theory. All these processes are interconnected and together help the organism to adapt to environment and grow. Recent studies in Neuro Science has proved that there is a relationship between Mind and Behaviour. It was greatly influenced by Dr N.N. (iv) It takes influences from both physics and biology and believes in the Hypothetico Deductive Model (HDM). Answer : The nature of psychological data can be explained through the following points: The psychological data are not independent entities: The physical or social context, the persons involved and the time of the behaviour affects the data. Any behaviour, overt or covert, is associated with or triggered by a stimulus. According to this, Psychology must focus on what is observable and verifiable. People may give inaccurate information because of memory lapses or they do not want the researcher to know their real opinions about a particular issue. • Humanistic Perspective: It was a revolt against Psychoanalysis and Behaviourism proposed by Carl Rogers and Abraham Maslow. Psychologists now a days employed to help in diverse activities in different domains of Professional activities including hospitals, educational settings, industrial organisations, training institutes, military and government organisations. Neuro psychology: It is the scientific study of behaviour and mental processes as function of brain activity and the nervous system. Thus, it was a study of the soul or mind. • If we go back in History Psychology was defined as the science of the Mind. • Psychology is a social science because it studies the behaviour of human beings in their social tests cultural context. Answer :  Dr. Krishnan will use non-participant observation methodto observe and record children’s play behaviour at a nursery school without attempting to influence or control the behaviour. (vi) Experiences are important because most of our learning is based on experiences. (i) Modem Psychology has developed because of the application of the scientific method to study, psychological phenomenon. Psychology 84 Chapter 5 • understand the nature of sensory processes, † explain the processes and types of attention, † analyse the problems of form and space perception, † examine the role of socio-cultural factors in perception, and † reflect on sensory, attentional and perceptual processes in … 8. Physiological psychology: A scientific study of human and animal behaviour based on the relationship of physiological processes like those of nervous system, hormones, sensory organs and the behavioural parameters. It views human beings as actively constructing their mind through their exploration into the Physical and Social world. • The emergence of Psychology as a science of mental processes, behaviour and experiences can be attributed to certain important development in Physiology and Physics as well as to the efforts of William Wilhelm Wundt who established first Psychological laboratory in 1879. psychology is defined formally as a science which studies mental processes, experiences and behaviour in different contexts. The results of the experiments cannot be generally applied to real situations, thus field experiments are required in such situations. Functionalism / Functional fixedness: The tendency to think of thinks only in terms of their usual functions, impediments to problem solving. 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