SCWK2006 Lecture Notes - Lecture 6: Codebook, Computer File, Univariate

60 views1 pages

12 May 2018

School

Department

Course

Professor

For unlimited access to Class Notes, a Class+ subscription is required.

SCWK2006- Research Skills for Social Work

Lecture 6

Types of Variables

• Nominal

o Discrete, categorical attributes

o Examples: sex, religious affiliation, marital status

• Ordinal

o Possible to logically rank-order attributes

o E.g. ranking between preferred modes of transport, level of pain felt

• Scale

o Difference separating attributes has meaning; intervals are standard

o E.g. standardised intelligence tests, actual age, number of convictions

Coding and Data Entry

• Coding

o Systematic organisation of data through coding procedures and codebooks into a

format that is computer-readable

• Data entry

o Entering data into a computer file in a spreadsheet or grid format with data linked to

variables described in the codebook

Composite variables

• Variable made up of two or more variables that are conceptually related to one another

Descriptive Statistics -Univariate Analysis

• Absolute frequency (head count)

• Relative frequency (percentage or proportion of participants)

• Mean, mode, median

• Dispersion (measured through standard deviation)

find more resources at oneclass.com

Unlock document

This preview shows half of the first page of the document.
Unlock all 1 pages and 3 million more documents.

Already have an account? Log in

Get access