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PSYC 1120 Human Development

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Presentation on theme: "PSYC 1120 Human Development"— Presentation transcript:

1 PSYC 1120 Human Development
Research Methods PSYC 1120 Human Development

2 Steps in the method Identify and Define the Problem
Formulate Hypotheses Select Methodology Collect and Analyze Data Draw Conclusions relevant to Hypothesis Report Results Expand to Future Studies

3 Formulating Hypotheses
Hypothesis = statement of the relationship presumed to exist between dependent and independent variables. Cause and Effect implications Must be testable; dependent variable must be measurable.

4 Selecting Participants
Who has the data you need? Who is your population? How can you find out what you need to know? Draw a sample from the population

5 Common Methodologies Surveys Interviews Questionnaires Observations
Participant Unobtrusive Simulated Case studies Experimental Studies

6 Approaches to developmental studies
Cross- sectional studies study several age groups simultaneously Longitudinal studies study the same subjects over a period of time Sequential studies

7 Correlation vs. Causation
Correlation – two events or variables appear to be related to one another Causation – one event or variable can be shown to “cause” the other to happen can be established only through experimental studies.

8 Design of Experiment DV Pretest Post-test Control group
Experimental Group Apply IV

9 Ethical Issues Do not deceive, coerce or harm the subjects
Collect data using ethical procedures Protect confidentiality of subjects Report results accurately

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