Day 1 Notes
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This 2 page Class Notes was uploaded by Brenna Flax on Friday September 30, 2016. The Class Notes belongs to FSHD 117 at University of Arizona taught by James Hunt in Fall 2016. Since its upload, it has received 7 views. For similar materials see Life Span Human Development in CALS at University of Arizona.
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Date Created: 09/30/16
FSHD117 Brenna Flax Research Methods ● Scientific Method ○ governs most types of research ○ we generate hypotheses to test them -> allows us to make suggestions towards theories of development ○ testing is done through systematically observing the results of our experiences ● What is a hypothesis? ○ a best guess about how two phenomenon are related ○ an educated suggestion to how something occurs ○ a testable assumption about the causes and effects of process ● Key terms related to the scientific method ○ Sample: the actual people being tested ○ Population: the group from which the sample is being pulled ○ Sample Size: how many people are being researched. The larger the sample the greater the statistical power, but we must worry about drop out ○ Representative Sample: a sample that truly represents the population as a whole ○ Random Sample: a study sample that pulls people at random from a population ○ Dependent Variables: the variables we expect to hange in ○ Independent Variables: the variables we manipulate to predict change in the dependent variable ○ Random Assignment: placement of participants into one of two or more groups for evaluation ○ Control Group: a group of participants who don't receive any treatment/intervention. No change ○ Experimental Group: the group that receives treatment in an experiment ○ Cohort Effects: the effect that being part of a different age group can have on results. Alternatively the effect that being in one sample can have ● Is our hypothesis reliable? ○ What questions are we asking, and why? ○ Can we reproduce the findings? ○ Is the research valid? ■ Did we really test for what we wanted to test for? ○ Generalizability? ■ Can we apply what we are learning about the population to other people? ○ Is it ethical? ■ Includes informed consent ebriefing, protection from harm, confidentiality ● Tuskegee Experiments ○ The US injected African American soldiers with syphilis to see what would happen. If syphilis goes untreated, an individual will die. ● Milligram xperiment ○ 65-75% of people were obedient and let someone do a study by shocking them ● Are there Iatrogenic effects? Are we causing harm to the sample by asking them the questions? Ex. a girl killed herself after being shown unrealistic body image pictures of supermodels ● Research Methods ○ tools we use to gather data ■ In ontrast to Research Design which is how we set up our study
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