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August 2022
SPSS Syntax to the Next Level
This workshop will focus mostly on data management in SPSS in a wide variety of settings. Examples will include the creation of new variables using different commands, the use of scratch variables, loops and the output management system (OMS). Sign up link: https://ucla.zoom.us/meeting/register/tJEkcOqgrDMiG9TzxoV-ztFTu06zxU8LVdwt
Find out more »Beyond Binary Logistic Regression in R
This workshop covers the statistical analysis of categorical outcomes with more than two categories, specifically ordinal logistic and multinomial logistic regression in R. Sign up link: https://ucla.zoom.us/meeting/register/tJYtce6upz0sHtBBLmktmWI3YcsoIqFyMFcA
Find out more »September 2022
Statistical Significance, False Positives, and Flexibility in Data Analysis (Researcher Degrees of Freedom)
This workshop is a discussion of the important article “False-Positive Psychology: Undisclosed Flexibility in Data Collection and Analysis Allows Presenting Anything as Significant” by Simmons, Nelson and Simonsohn (2012), which discusses how seemingly benign decisions during data collection and analysis, or researcher degrees of freedom, make false positives much more likely. Their simulations show how a combination of a few of these decisions can increase the false-positive rate to above 50%. When researcher degrees of freedom are not disclosed in…
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