Psychological+Resesarchoutline

Psychological+Resesarchoutline - What do you believe?...

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What do you believe? Theory: A systematic way of organizing and understanding observations Hypothesis: A proposed relationship between two variables From theory, you can develop hypotheses that can be tested
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Variable: anything which can be measured or described along a particular dimension Continuous Variable: a variable which can be measured across a continuum (weight loss drug given to half group and measure how much weight lost over amt. of time) ie: hours slept, weight lost Categorical Variable: a variable with a fixed meaning or attribute (preg or not)
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Operationalize Definitions: label and describe the variables of interest Research on sexual activity and adolescence: how do you define “sexually active” (does sexually active include oral) Research on marijuana use and academic achievement: how does one define/ differentiate “use” Research on aggression and preschoolers: what is aggression? (what does aggressive mean?) Important to define and know what the variables mean exactly
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Research Methods in Five Easy Steps Develop a theory based on observations Develop a hypothesis from the theory Design a research study Gather the data Analyze the data and report findings
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Measurement Issues in Research Validity: does it measure what is it supposed to measure Reliability: do you get consistent results over time
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Data Collection Techniques Direct Observation Questionnaires Interviews Psychological Tests Physiological Recordings Examination of Historical Records
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Various Types of Psychological Research
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Psychological+Resesarchoutline - What do you believe?...

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