Q5 Study Guide

Research Methods -- CRJU 3601 -- Lecture Quiz 4

The Sample and the Population (Percentile Rank)

Sampling: Representativeness: Generalizability:

Necessity of sampling: Random Selection:

Sampling Error: Sampling frame:

The four types of probability sampling techniques:

a) Simple random sampling -- b) Stratified random sampling --

c) Systematic random sampling -- d) Cluster/multi-stage random sampling --

4^th stage -- random subjects (persons)

3^nd stage -- random subunits (cities)

3^rd stage -- random units (states)

1^st stage -- geographical area (nation)

Four methods of non-probability sampling

a) Convenience sampling -- b) Purposive sampling --

c) Quota sampling -- d) Snowball sampling --

Quiz 4

1. Bring a Hard-Copy of “Critical Values Tables” to class every day

2. Download Study-Guide for Quiz 4 – Sampling Methods

3. Read “Knowledge-Base “Metric Variables Part 1 Percentile Rank”

4. Download Cheat Sheet for “Determining Percentile Rank”)

6. Accomplish Homework for PR problems

7. Accomplish Writing Assignment: Introduction