# Analyzing Data

(Difference between revisions)
 Revision as of 02:00, 22 November 2016 (view source)Doug (Talk | contribs)← Older edit Latest revision as of 02:50, 22 November 2016 (view source)Doug (Talk | contribs) (10 intermediate revisions not shown) Line 6: Line 6: *[[How do I create dummy variables?]] *[[How do I create dummy variables?]] *[[How do I control for familywise error?]] *[[How do I control for familywise error?]] + *[[Meta-analysis|How do I conduct a meta-analysis?]] + *[[Other questions about meta-analyses?]] + *[[Mediation|How do I conduct meditational analysis?]] + '''How to test interactions?''' + *[[What is an Interaction?]] + *[[Interaction between two continuous variables]] + *[[Interaction between categorical and continuous variables]] + '''How to transform continuous into categorical variables''' + *[[Why transform continuous variables into categorical variables?]] + *[[How to dichotomize variables?]] + *[[Why cut into thirds or fourths instead of dichotomizing?]] + '''How to create composites''' + *[[How do I create a composite of items?]] + *[[Why create a composite of items?]] + *[[How do I know when it is appropriate to create a composite?]] + *[[How do I create a composite with items with different scale ranges?]] + *[[How do I create a composite with items labeled in opposite directions?]] + '''How to detect and deal with outliers''' + * [[What are outliers?]] + * [[Should I check for outliers?]] + * [[How can I tell if outliers are influencing my data?]] + * [[Detecting Outliers - Univariate | How do I detect univariate outliers in my data?]] + * [[Detecting Outliers - Multivariate | How do I detect bivariate and multivariate outliers in my data?]] + * [[Dealing with Outliers | How do I deal with outliers?]] - - [[Meta-analysis]]
+ |Column2= - - [[Mediation]]
+ Other types of practical questions... - - [[What is an Interaction?]]
+ *[[When to use a one-tailed versus two-tailed test?]] - - [[Interaction between two continuous variables]]
+ *[[When to use univariate versus multivariate statistics?]] - - [[Interaction between categorical and continuous variables]]
+ *[[If my correlational data is not linear, what do I do?]] - - [[What is a correlation?]]
+ *[[General tips|What are some overall tips/tricks when analyzing data?]] - - [[What is a partial correlation?]]
+ *[[What is considered marginally significant?]] - - [[What is a point-biserial correlation?]]
+ *[[What is the difference between descriptive and inferential statistics?]] - - [[What is regression?]]
+ - - [[What is analysis of covariance (ANCOVA)?]]
+ - *[[What is analysis of variance (ANOVA)?]] + - *[[What is a one-way ANOVA?]] + - *[[What is the difference between one-way analysis of variance and two-way analysis of variance?]] + - + - + - + - + - + - + - + - + - + *[[What is the difference between a type I and type II error?]] *[[What is the difference between a type I and type II error?]] - *[[What is the difference between floor effects and ceiling effects?]] + *[[How is a correlation different than a partial correlation?]] - *[[How is a linear relationship different from a nonlinear/curvilinear relationship?]] + - *[[Are linear relationships helpful or harmful to a study?]] + - *[[How is a positive linear relationship different from a negative linear relationship?]] + - *[[How does confounding impact the research?]] + - *[[How is validity different from reliability?]] + - *[[How is a between-subjects ANOVA different from a within-subjects ANOVA?]] + - *[[What is the difference between bimodal distribution and unimodal distributions?]] + - *[[What are the advantages/disadvantages of secondary data analysis?]] + - *[[How is interitem reliability different than interobserver reliability? ]] + - *[[How is continuous data different than categorical data?]] + - *[[How does variability impact research findings?]] + - *[[What is the difference between descriptive statistics and inferential statistics?]] + *[[What are the criticisms of hypothesis testing?]] *[[What are the criticisms of hypothesis testing?]] - *[[How do I calculate a sample size?]] + *[[What is the purpose of graphing a scatterplot?]] - *[[When do I use univariate analysis?]] + *[[Computational Modeling|Why would you want to use a computational model?]] - *[[When do I use multivariate analysis?]] + *[[What is a scatterplot?|What is the purpose of graphing a scatterplot?]] + *[[What is linearity?|Why is linearity important?]] + *[[Want help using SPSS?]] + *[[What is "syntax" in SPSS?|Why use syntax in SPSS?]] - *[[SLG-Meta-Q_%26_A]] - *[[When do we use planned comparisons in research?]] - - - - - - |Column2= - Other types of practical questions... - - - - '''General''' - * [[General tips]] - * [[Marginal significance]] - * [[Tips/tricks for using SPSS]] - * [[Descriptive Statistics | What are "Descriptive Statistics"?]] - * [[Inferential Statistics | What are "Inferential Statistics"?]] '''Data Screening''' '''Data Screening''' * [[Purpose of Data Screening | What is the purpose of data screening/cleaning?]] * [[Purpose of Data Screening | What is the purpose of data screening/cleaning?]] - * [[Data cleaning | Tips/tricks for Data cleaning]] + * [[Data cleaning | What are the best tips/tricks for data cleaning?]] - * [[Checking Data Entry]] + * [[Checking Data Entry|How to check for data entry errors?]] '''Missing Values''' '''Missing Values''' * [[Missing Values | Why do missing values occur?]] * [[Missing Values | Why do missing values occur?]] Line 75: Line 58: * [[Identifying Missing Data | How do I identify if missing values are random or non-random?]] * [[Identifying Missing Data | How do I identify if missing values are random or non-random?]] * [[Dealing with Missing Data | How do I deal with missing data?]] * [[Dealing with Missing Data | How do I deal with missing data?]] - '''Outliers''' + '''Normality''' - * [[What are outliers?]] + - * [[Should I check for outliers?]] + - * [[How can I tell if outliers are influencing my data?]] + - * [[Detecting Outliers - Univariate | How do I detect univariate outliers in my data?]] + - * [[Detecting Outliers - Multivariate | How do I detect bivariate and multivariate outliers in my data?]] + - * [[Dealing with Outliers | How do I deal with outliers?]] + - '''Normality'''
+ * [[What is "normality"?]]
* [[What is "normality"?]]
* [[Why is normality important?]]
* [[Why is normality important?]]
Line 88: Line 64: * [[How do I deal with non-normality?]]
* [[How do I deal with non-normality?]]
* [[How do I transform variables?]]
* [[How do I transform variables?]]
- *[[What is absolute change?]] - *[[What is absolute difference?]] - *[[What is the 68-95-99.7 rule?]] - *[[What is absolute error?]] - *[[What is boredom effect?]] - *[[What is adjusted R^2?]] - *[[What is bias?]] - *[[What are the types of bias?]] - *[[What is bimodal?]] - *[[What is grand mean?]] - *[[What is main effect?]] - *[[What are floor effects?]] - *[[What is the median?]] - *[[Wnat is a normal distribution?]] - *[[What is goodness-of-fit?]] - *[[What is a Type I error?]] - *[[What is a Type II error?]] - *[[What is bivariate correlation?]] - *[[What is test-retest reliability?]] - *[[What is effect size?]] - *[[What is the latent variable?]] - *[[What are ceiling effects?]] - *[[What is a positive linear relationship?]] - *[[What is parsimony?]] - *[[What is sampling error?]] - *[[What is factorial ANOVA?]] - *[[What is sampling bias?]] - *[[What is a one-tailed test?]] - *[[What is observer drift?]] - *[[What is a one-tailed test?]] - *[[What is the coefficient of determination?]] - *[[What is correlation?]] - *[[What is negative correlation?]] - *[[What is univariate statistics?]] - *[[What is central tendency?]] - *[[What are the different types of central tendency?]] - *[[What is a selection bias?]] - *[[What is a linear relationship?]] - *[[What is a nonlinear relationship?]] - *[[What is a positive correlation?]] - *[[What is an ecological fallacy?]] - *[[What is inference?]] - *[[What is a representative sample?]] - *[[What is a direct relationship?]] - *[[What is confirmation bias?]] - *[[What is participation bias?]] - *[[What is raw data?]] - *[[What is a spurious relationship?]] - - *'''Other''' - - [[What is a scatterplot?]]
- - [[What is linearity?]]
- - [[Want help using SPSS?]]
- - [[What is "syntax" in SPSS?]]
- - [[Computational Modeling|What is Computational Modeling?]]
- - [[Rank-based nonparametric tests|What is a rank-based nonparametric test?]] - *[[What is alpha?]] - *[[What is a manipulation check?]] - *[[How does one conduct a manipulation check?]] - *'''Transforming continuous into categorical variables''' - - [[Why transform continuous variables into categorical variables?]]
- - [[How to dichotomize variables?]]
- - [[Why cut into thirds or fourths instead of dichotomizing?]]
- *'''Composites''' - - [[How do I create a composite of items?]]
- - [[Why create a composite of items?]]
- - [[How do I know when it is appropriate to create a composite?]]
- - [[How do I create a composite with items with different scale ranges?]]
- - [[How do I create a composite with items labeled in opposite directions?]]

## Latest revision as of 02:50, 22 November 2016

Statistically analyzing and interpreting your collected data
 Overview Research Idea Research Design Collecting Data Analyzing Data Writing a Paper
_______