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by: Brittany Ballog

Chapter1Part2LectureOutline.pdf HDFS 225

Marketplace > Michigan State University > HDFS > HDFS 225 > Chapter1Part2LectureOutline pdf
Brittany Ballog
GPA 3.0
Lifespan Human Development in the family
Sherrell Hicklen House

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About this Document

the class notes- so you don't have to go to class! it is one day of notes
Lifespan Human Development in the family
Sherrell Hicklen House
Class Notes
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This 2 page Class Notes was uploaded by Brittany Ballog on Sunday September 27, 2015. The Class Notes belongs to HDFS 225 at Michigan State University taught by Sherrell Hicklen House in Spring 2015. Since its upload, it has received 31 views. For similar materials see Lifespan Human Development in the family in HDFS at Michigan State University.

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Date Created: 09/27/15
Chapter 1 Lecture Outline 1 The Nature of Developmental Research Scientific method series of steps that enable us to be clear about what we studied how we studied it and what our conclusions are Steps of the scientific method 1 Select a researchable problem 2 Formulate a hypothesis 3 Test the hypothesis 4 Draw conclusions about hypothesis 5 Make the findings of the study available in the scientific community 11 Research Designs Three Basic designs used in developmental research Longitudinal studies the same individuals at different time points in their life Limitations selective attrition and dropout cannot control for unusual life events timeconsuming and costly Crosssectional simultaneously compares different age groups Limitations confounding variables these groups are so different with age so are going through different events and learning Sequential combines the advantages of the longitudinal and crosssectional methods of research by measuring more than on cohort over time Limitations data is complex and difficult to analyze time and money issues 111 Research Designs Experimental Design Experimental design investigator manipulates one or more variables and measures the resulting changes in the other variables in an effort to determine the cause of a specific behavior Independent variable factor manipulated in an experiment Dependent variable factor that is affected or changes as a result of the manipulated independent variable Developmental outcome how the independent variable affected the dependent variable Experimental group administered the independent variable treatment Control group are not administered the independent variable IV Research Methods Casestudy method longitudinal method used to study one individual Limitations difficult to generalize results questionable objectivity Social survey method data are gathered using in person interviews and questionnaires that are distributed through the mail or online Limitations response rate and bias Naturalistic observation method researchers intensively watch and record behavior as it occurs Limitations lack of control over behaviors and environment observer bias the Hawthorne effect being observed can alter the behavior under observation Crosscultural studies compare data from two or more societies Limitations quality of data varies lack of data for many cultures lack of data on individual differences Correlational Analysis statistical procedure used to determine the degree to which two behaviors are associated with one another does not prove causation can be used for predictive purposes V Research Analysis Correlation Numerical expression of the degree or extent of relationship between two variables or conditions can range from l00 to 100 VI Ethical Standards for Human Development Research Respect and concern for the dignity and welfare of participants Informed consent Right to privacy and remain anonymous


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