02 Lesson Scientific Method I

02 Lesson Scientific Method I - Scientific Method I...

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Unformatted text preview: Scientific Method I (Research Methods) ASSIGNMENT a. Study text Chapter 2 (pg 37-52). b. Complete Concept Checks 2.1 (pg 43) and 2.2 (pg 52). c. Review Questions: Chapter 2 practice test questions 1-8 (pg 71). d. Answer IPO 2. LESSON OBJECTIVES 2.1. Summarize the scientific method. 2.2. Differentiate the strengths and weaknesses of experimental and various correlational research methods. PERFORMANCE OBJECTIVES 2-1. Summarize the 5 steps of the scientific method. Formulate a testable hypothesis : hypothesis myst be formulated precisely and the variables under study must be clearly defined. Researchers define variables by an operational definition which describes the actions or operations that will be used to measure or control a variable. They establish precisely what is meant by each variable in the context of a study. Select the Research Method and Design the Study : the method chosen depends of the nature of the question under study. Collect the Data : data collection techniques are procedures for making empirical observation and measurements. There are six main types of data collection: Direct observation : observers are trained to watch and record behavior as objectively and precisely as possible. Questionnaire : subjects are administered a series of written questions designed to obtain information about attitudes, opinions, and specific aspects of their behavior. Interview : a face-to-face dialogue is conducted to obtain information about specific aspects of a subjects behavior Psychological test : subjects are administered a standardized measure to obtain a sample of their behavior. Physiological recording: an instrument is used to monitor and record a specific physiological process in a subject. Examination of archival records: the researcher analyzes existing institutional records, such as census, economic, medical, legal, educational, and business records....
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02 Lesson Scientific Method I - Scientific Method I...

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