Analyzing Data

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'''Missing Values'''  
'''Missing Values'''  
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* [[Missing Values | Why do missing values occur?]] <br>
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* [[Missing Values | Why do missing values occur?]]
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* [[Problem of Missing Data | Why is missing data a problem?]] <br>
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* [[Problem of Missing Data | Why is missing data a problem?]]
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* [[Identifying Missing Data | How do I identify if missing values are random or non-random?]] <br>
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* [[Identifying Missing Data | How do I identify if missing values are random or non-random?]]  
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* [[Dealing with Missing Data | How do I deal with missing data?]] <br>
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* [[Dealing with Missing Data | How do I deal with missing data?]]  
'''Outliers'''
'''Outliers'''
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* [[What are outliers?]] <br>
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* [[What are outliers?]]  
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* [[Should I check for outliers?]] <br>
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* [[Should I check for outliers?]]  
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* [[How can I tell if outliers are influencing my data?]] <br>
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* [[How can I tell if outliers are influencing my data?]]  
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* [[Detecting Outliers - Univariate | How do I detect univariate outliers in my data?]] <br>
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* [[Detecting Outliers - Univariate | How do I detect univariate outliers in my data?]]  
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* [[Detecting Outliers - Multivariate | How do I detect bivariate and multivariate outliers in my data?]] <br>
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* [[Detecting Outliers - Multivariate | How do I detect bivariate and multivariate outliers in my data?]]  
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* [[Dealing with Outliers | How do I deal with outliers?]] <br>
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* [[Dealing with Outliers | How do I deal with outliers?]]  
<span style="font-size:95%; font-weight: bold;">►</span> '''Normality'''  <br>
<span style="font-size:95%; font-weight: bold;">►</span> '''Normality'''  <br>

Revision as of 23:43, 6 January 2011

Statistically analyzing and interpreting your collected data
Analyzingdata1.png

General

Data Screening

Missing Values

Outliers

Normality


  • Statistical Tests

- Meta-analysis
- Mediation
- What is an Interaction?
- Interaction between two continuous variables
- Interaction between categorical and continuous variables
- What is a correlation?
- What is a partial correlation?
- What is a point-biserial correlation?
- What is regression?
- What is a probabilistic causal analysis?
- What is analysis of covariance (ANCOVA)?

  • Other

- What is a scatterplot?
- What is linearity?
- Want help using SPSS?
- What is "syntax" in SPSS?
- What is Computational Modeling?
- What is a rank-based nonparametric test?

  • 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?


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