Services
Data Entry, Analysis, Charts & Report Writing
Survey Analysis (UK) offers a wide range of data entry and analysis services from questionnaire design to final tabulations, detailed charts and report writing. Please click the 'Quality' button to see details of the data entry service. If you require questionnaire analysis please click the 'Why us?' button to see examples of what is supplied in addition to crosstabulation tables and statistical reports.
Our analysis services include:
• Developing code frames for open-ended questions • Coding open-ended questions • Range, rule and validated data entry • Provision of data in a wide range of data formats • Frequencies and crosstabulations as tables and charts • User analysis specifications no additional charge or time limits • Interim data tabulations as well as final results • Graphics e.g. SPSS, Excel, Powerpoint and Harvard Graphics • Supply/export of data on disk or CD rom, in a variety of formats, e.g. SPSS, Excel, Word and ASCII.
From the simplest project to the most complex e.g.
• Involving hierarchical data • Merging data from different sources • Complex weighting • Large scale continuous studies • Choice of layout options/table formats • Tables either paper or electronic e.g. SPSS Statistical Analysis and Processing.
Full range of descriptive statistics
• Frequency/percent distributions • Mean, mode, median • Standard deviation • Standard error • Error of variance
Univariate analysis parametric and non-parametric
• Chi-square • Cochran Q • Contingency coefficient • F-test • Friedman, Kendal • Kolmogorov-Smirnov • Kruskal-Wallis • McNemar • Mann-Whitney • Signs test • Spearman r • Student t
Dependent and independent
• Association and Correlation • Regression - Linear / Non-linear / Logistic • Factor Analysis - PCA / Orthogonal / Oblique rotation / confirmatory • Cluster Analysis - Linkage / Hierarchical / K-Means / Allocation • Discriminant analysis - membership formulae / rules • Automatic Interaction Detection (AID) / CHAID • Mapping - Perceptual / Preference / Correspondence / Passive data • Experimental design - Orthogonality / Balance / Utility equality and overlap • Non-Statistical methods - Neural Networks / Genetic Algorithms • Conjoint Analysis
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