Psych Review Ch2

Psych Review Ch2 - Chapter 2 The Research Enterprise in...

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Chapter 2: Chapter 2: The Research Enterprise in Psychology The Research Enterprise in Psychology 1. Explain science's main assumption and describe the goals of the scientific enterprise in psychology. The scientific approach assumes that all events are governed by some lawful order. Measurement and description about ways to describe a behavior. Understanding and prediction create hypotheses, which is a tentative statement about the relationship between two or more variables. Variables are any measureable conditions, events, characteristics, or behaviors that are controlled or observed in a study. Application and control is seen in theories, which are systems of interrelated ideas that are used to explain a set of observations. 2. Explain the relations between theory, hypotheses, and research. A scientific method must be testable. Theory Hypothesis Empirical testing increase/decrease in confidence refining and restarting or discarding of theory 3. Outline the steps in a scientific investigation. Formulate a testable hypothesis: operational definition describes the actions or operations that will be used to measure or control a variable Select Method and Design Study: participants are subjects whose behavior is systematically observed in the study Collect data: data collection techniques are procedures for making empirical observations and measurements including direct observation, questionnaires, psychological tests, recordings, and examination of archival records. Analyze Data and Draw Conclusions Report Findings 4. Discuss the advantages of the scientific approach. Clarity and precision. Relatively intolerant of error. Research methods consist of various approaches to the observation, measurement, manipulation, and control of variables in empirical studies. 5. Describe the experimental method, explaining independent and dependent variables, experimental and control groups, and extraneous variables. The experiment is a research method in which the investigator manipulates a variable under carefully controlled conditions and observes whether any changes occur in a second variable as a result. An independent variable is a condition or event that an experimenter varies in order to see its impact on another variable. A dependent variable is the variable that is thought to be affected by manipulation of the independent variable. The experimental group
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Psych Review Ch2 - Chapter 2 The Research Enterprise in...

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