Have you ever been involved in research?<br />Have you ever received a phone call and someone asked your candidate choice in a future election? <br />Or, has anyone called and asked you what type of cereal you eat?<br />The experience of having someone ask your choice or opinion is called taking a “survey.”<br />
Other Forms of Research<br />Behavioral Observation<br />Case Study<br />Correlation<br />Experiment<br />
Behavioral Observation<br />Organized method of watching<br />Recording frequency of target behavior<br />Observe entire set of subject behavior<br />Observer has no interaction with the subject or the environment<br />
Case Study<br />Summative, describing one person, situation, animal<br />Can provide ideas for future research<br />
Correlations<br />Measure the strength of a relationship<br />Positive correlation: Frequency of hot days and frequency of ice cream bought<br />Negative correlation: Frequency of hot days and decline in purchase of hot chocolate<br />
Correlations do not prove cause and effect<br />Experiments focus on cause and effect<br />
Experiments<br />Cause and effect<br />Strict manipulation of factors<br />Scientific method<br />www.fickr.com/photos/wryer/79670441/<br />
Do we cease conducting an experiment after we secure data one time? <br />Microsoft 2007 Clipart<br />
Yes, repeat, repeat, . . .<br />Repetition of the original experiment is necessary<br />We compare repeated experimental data to decide if the original data is consistent or to provide us with information as to how to tweak the original experimental design.<br />
References<br />Santrock, John W. (2008). Life-Span Development, McGraw-Hill.<br />www.fickr.com/photos/wfryer/79670441<br />Microsoft 2007 Clipart<br />
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