Analyzing Data

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How to conduct statistical tests...
 +
*[[How do I choose the appropriate statistical test for my data?]]
 +
*[[How do I create dummy variables?]]
 +
*[[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?]]
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'''General''' 
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|Column2=
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* [[General tips]]  
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Other types of practical questions...
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* [[Marginal significance]]  
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*[[When to use a one-tailed versus two-tailed test?]]
-
* [[Tips/tricks for using SPSS]]  
+
*[[When to use univariate versus multivariate statistics?]]
-
* [[Descriptive Statistics | What are "Descriptive Statistics"?]]  
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*[[If my correlational data is not linear, what do I do?]]
-
* [[Inferential Statistics | What are "Inferential Statistics"?]]  
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*[[General tips|What are some overall tips/tricks when analyzing data?]]
 +
*[[What is considered marginally significant?]]
 +
*[[What is the difference between descriptive and inferential statistics?]]
 +
*[[What is the difference between a type I and type II error?]]
 +
*[[How is a correlation different than a partial correlation?]]
 +
*[[What are the criticisms of hypothesis testing?]]
 +
*[[What is the purpose of graphing a scatterplot?]]
 +
*[[Computational Modeling|Why would you want to use a computational model?]]
 +
*[[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?]]
'''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?]]  
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* [[Data cleaning | Tips/tricks for Data cleaning]]  
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* [[Data cleaning | What are the best tips/tricks for data cleaning?]]  
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* [[Checking Data Entry]]
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* [[Checking Data Entry|How to check for data entry errors?]]
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'''Missing Values'''  
'''Missing Values'''  
* [[Missing Values | Why do missing values occur?]]
* [[Missing Values | Why do missing values occur?]]
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* [[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?]]  
-
 
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'''Normality'''   
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'''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?]]
+
-
 
+
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<span style="font-size:95%; font-weight: bold;">►</span> '''Normality'''  <br>
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* [[What is "normality"?]] <br>
* [[What is "normality"?]] <br>
* [[Why is normality important?]] <br>
* [[Why is normality important?]] <br>
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* [[How do I deal with non-normality?]] <br>
* [[How do I deal with non-normality?]] <br>
* [[How do I transform variables?]] <br>
* [[How do I transform variables?]] <br>
-
 
-
 
-
*[[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?]]
 
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*[[What are floor effects?]]
 
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*[[What is the median?]]
 
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*[[Wnat is a normal distribution?]]
 
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*[[What is goodness-of-fit?]]
 
-
*[[What is a Type I error?]]
 
-
*[[What is a Type II error?]]
 
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*[[What is the difference between a type I and type II error?]]
 
-
*[[What is bivariate correlation?]]
 
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*[[What is test-retest reliability?]]
 
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*[[What is effect size?]]
 
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*[[What is the latent variable?]]
 
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*[[What are ceiling effects?]]
 
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*[[What is the difference between floor effects and ceiling effects?]]
 
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*[[What is a positive linear relationship?]]
 
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*[[What is parsimony?]]
 
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*[[What is sampling error?]]
 
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*[[What is factorial ANOVA?]]
 
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*[[What is sampling bias?]]
 
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*[[What is a one-tailed test?]]
 
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*[[What is observer drift?]]
 
-
*[[What is a one-tailed test?]]
 
-
*[[What is the coefficient of determination?]]
 
-
*[[What is correlation?]]
 
-
*[[What is negative correlation?]]
 
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*[[What is univariate statistics?]]
 
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*[[What is central tendency?]]
 
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*[[What are the different types of central tendency?]]
 
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*[[What is a selection bias?]]
 
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*[[What is a linear relationship?]]
 
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*[[How is a linear relationship different from a nonlinear/curvilinear relationship?]]
 
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*[[Are linear relationships helpful or harmful to a study?]]
 
-
*[[What is a nonlinear relationship?]]
 
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*[[What is a positive correlation?]]
 
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*[[How is a positive linear relationship different from a negative linear relationship?]]
 
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*[[What is an ecological fallacy?]]
 
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*[[What is inference?]]
 
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*[[How does confounding impact the research?]]
 
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*[[What is a representative sample?]]
 
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*[[What is a direct relationship?]]
 
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*[[What is confirmation bias?]]
 
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*[[How is validity different from reliability?]]
 
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*[[What is participation bias?]]
 
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*[[What is raw data?]]
 
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*[[What is a spurious relationship?]]
 
-
|Column2=
 
-
 
-
*'''Statistical Tests'''
 
-
- [[Meta-analysis]] <br>
 
-
- [[Mediation]] <br>
 
-
- [[What is an Interaction?]] <br>
 
-
- [[Interaction between two continuous variables]] <br>
 
-
- [[Interaction between categorical and continuous variables]] <br>
 
-
- [[What is a correlation?]] <br>
 
-
- [[What is a partial correlation?]] <br>
 
-
- [[What is a point-biserial correlation?]] <br>
 
-
- [[What is regression?]] <br>
 
-
- [[What is a probabilistic causal analysis?]] <br>
 
-
- [[What is analysis of covariance (ANCOVA)?]] <br>
 
-
*[[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?]]
 
-
 
-
*'''Other'''
 
-
- [[What is a scatterplot?]] <br>
 
-
- [[What is linearity?]] <br>
 
-
- [[Want help using SPSS?]] <br>
 
-
- [[What is "syntax" in SPSS?]] <br>
 
-
- [[Computational Modeling|What is Computational Modeling?]] <br>
 
-
- [[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?]] <br>
 
-
- [[How to dichotomize variables?]] <br>
 
-
- [[Why cut into thirds or fourths instead of dichotomizing?]] <br>
 
-
 
-
*'''Composites'''
 
-
- [[How do I create a composite of items?]]  <br>
 
-
- [[Why create a composite of items?]]  <br>
 
-
- [[How do I know when it is appropriate to create a composite?]] <br>
 
-
- [[How do I create a composite with items with different scale ranges?]] <br>
 
-
- [[How do I create a composite with items labeled in opposite directions?]] <br>
 
-
 
-
 
-
*[[What is generalizability?]]
 
-
 
-
*[[What are the types of reliability?]]
 
-
*[[What are marginal means?]]
 
-
*[[What are beta weights?]]
 
-
*[[What are paired-samples t-test?]]
 
-
*[[What is a between-subjects ANOVA?]]
 
-
*[[How is a between-subjects ANOVA different from a within-subjects ANOVA?]]
 
-
*[[What is a bimodal distribution?]]
 
-
*[[What is unimodal?]]
 
-
*[[What is the difference between bimodal distribution and unimodal distributions?]]
 
-
*[[What is a confirmatory factor analysis?]]
 
-
*[[What is a pairwise comparison?]]
 
-
*[[What is a secondary data analysis?]]
 
-
*[[What are the advantages/disadvantages of secondary data analysis?]]
 
-
*[[What is a robust procedure?]]
 
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*[[What is best fit line?]]
 
-
*[[What is analysis of covariance?]]
 
-
*[[What is Cohen's d?]]
 
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*[[What is inter-item reliability?]]
 
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*[[How is interitem reliability different than interobserver reliability? ]]
 
-
*[[What is left-skewed distribution?]]
 
-
*[[What is power?]]
 
-
*[[What is statistical significance?]]
 
-
*[[What is the central limit theorem?]]
 
-
*[[What is the restriction of range?]]
 
-
*[[What is quantitative data?]]
 
-
*[[How is continuous data different than categorical data?]]
 
-
*[[What is regression to the mean?]]
 
-
*[[What is a one-way design?]]
 
-
*[[What is a randomized factorial design?]]
 
-
*[[How does variability impact research findings?]]
 
-
*[[What is the difference between descriptive statistics and inferential statistics?]]
 
-
*[[What are the criticisms of hypothesis testing?]]
 
-
*[[How do I calculate a sample size?]]
 
-
*[[When do I use univariate analysis?]]
 
-
*[[When do I use multivariate analysis?]]
 
-
*[[How do I choose the appropriate statistical test for my data?]]
 
-
*[[How do I create dummy variables?]]
 
-
*[[How do I control for familywise error?]]
 
-
 
-
 
}}
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Latest revision as of 02:50, 22 November 2016

Statistically analyzing and interpreting your collected data
Analyzingdata1.png

How to conduct statistical tests...

How to test interactions?

How to transform continuous into categorical variables

How to create composites

How to detect and deal with outliers

Other types of practical questions...

Data Screening

Missing Values

Normality

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