research methods

research methods - The Scien)fc Method and Research...

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Unformatted text preview: The Scien)fc Method and Research Theories and Hypotheses: Posing Developmental Questions The scientifc method is the process of posing and answering questions using careful, controlled techniques that include systematic, orderly observation and the collection of data. The scientiFc method involves three major steps: (1) identifying questions of interest, (2) formulating an explanation, and (3) carrying out research that either lends support to the explanation or refutes it. Figure Hypothesis To determine the validity of a theory, developmental researchers must test it scientiFcally. A hypothesis is a prediction stated in a way that permits it to be tested. Research Strategy: Answering Ques)ons Operationalization is the process of translating a hypothesis into speciFc, testable procedures that can be measured and observed. Correlational research seeks to identify whether an association or relationship between two factors exists. Experimental research is designed to discover causal relationships between various factors. In experimental research, scientists deliberately introduce a change in a carefully structured situation in order to see the consequences of that change. Correla)onal Studies Finding that two variables are correlated proves nothing about causality.proves nothing about causality....
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research methods - The Scien)fc Method and Research...

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