# Quant Research Methods

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## Yes/No Questions: Common Pitfalls to Avoid When Writing Questionnaires

Yes/No Questions: Common Pitfalls to Avoid When Writing Questionnaires Posted by Jeffrey Henning on Wed, Mar 04, 2009

## DEMQOL | IMH Blog (Nottingham)

The NHS can’t afford to fund every new medical treatment.
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## VAS Generator

Graphs

Indexes, Scales and Typologies Quantitative data analysis requires the construction of two types of measures of variables--indexes and scales. These measures are frequently used and are important since social scientists often study variables that possess no clear and unambiguous indicators--for instance, age or gender.

## Social Research Methods/Indexes, Scales, Typologies

This Sample Size Calculator is presented as a public service of Creative Research Systems survey software . You can use it to determine how many people you need to interview in order to get results that reflect the target population as precisely as needed. You can also find the level of precision you have in an existing sample. Before using the sample size calculator, there are two terms that you need to know.

## A Beginner's Guide to Mean, Median and Mode

An average summarises a group of numbers . There are three main types of averages: mean, median and mode.

## Survey Design - How to Begin your Survey Design Project - Creative Research Systems

Knowing what the client wants is the key factor to success in any type of business. News media, government agencies and political candidates need to know what the public thinks. Associations need to know what their members want. Large companies need to measure the attitudes of their employees.

## INTRODUCING STATISTICS

What is the difference between categorical, ordinal and interval variables?

## Understanding the p-value - Statistics Help

Data recorded in experiments or surveys is displayed by a statistical graph.

## Bar charts are easy to use, and easy to abuse. Know the difference.

Bar Charts, like pie charts, are useful for comparing classes or groups of data.
Histograms