Practical Research 2 PDF

PRACTICAL RESEARCH 2 Main Purpose ➔ Support system Chapter II ➔ Avoid duplication - The summary of “Review of ➔ Background information Related Literature”...

PRACTICAL RESEARCH 2 Main Purpose ➔ Support system Chapter II ➔ Avoid duplication - The summary of “Review of ➔ Background information Related Literature” ➔ Widens information - It helps to discover what is already ➔ Interpret known about the research problem Types of RRL and what more has to be done ★ Traditional or Narrative RRL - It can be used to compare the - Critique & summarize result and findings for the current literature study ★ Systematic RRL - It is the assessment of a body of - Well-defined approach research that addresses a ★ Meta analysis research question - Statistical method - It is a process ★ Meta Synthesis - Written by experts or professional - Non-statistical method Characteristics of Good Quality RRL ❖ Comprehensive (understandable) Sampling Techniques ❖ Up-to-date (timely) - Selecting a subject of participant ❖ Systematic (process) from larger group ❖ Reproducible (useful) 2 Approaches ❖ Free from bias (subjective) 1. Probability ❖ Well-written (organize) 2. Non-probability ❖ Sum of it parts (detailed) Probability ❖ Clearly search & selected - Selecting participants on a random (accessible) basis ❖ Accurate reference (suitable or Types of it appropriate) ➔ Random (equal chance) Factors Affecting RRL ➔ Stratified (dividing population) Research Background ➔ Cluster (each group, similar - Complexity of the research characteristic) problem ➔ Systematic (listed with a number) - It is easier to collect RRL Non-Probability for simple or easy research - Requires special characteristics projects than complex and not random ones. ones. Types of it Availability of Resources ➔ Convenience Sampling (who - Computer, internet facility, happen to be the most accessible) online & offline journal ➔ Purposive Sampling (who is subscription useful) Study Time Frame ➔ Snowball Sampling (recruit) - Conduct with sufficient time ➔ Quota Sampling (not random) Availability to Support System - When many authors Validity contribute to the existing - How accurately the method knowledge. measures what is intended to measure Types of it ➔ Face Validity (relies on people’s judgement) ➔ Content Validity (covers all aspects) ➔ Construct Validity (existing theory & knowledge) ➔ Convergent Validity (correlation) ➔ Discriminant Validity (difference)