Practical Research 2 for Senior High School

1. NATURE OF
INQUIRY
AND RESEARCH
Chapter One

2. HUMANS ARE NATURALLY CURIOUS!

4. QUANTITATIVE RESEARCH
 An objective, systematic, empirical investigation of observable phenomena through
the use of computational techniques.
CHARACTERISTICS:
1. Objective
2. Clearly Defined Research Questions
3. Structured Research Instruments
4. Numerical Data
5. Large Sample Sizes
6. Replication
7. Future Outcomes

5. QUANTITATIVE RESEARCH
STRENGTHS:
1. It is objective.
2. The use of statistical techniques
facilitates analyses and allows
you to comprehend a huge
amount of vital characteristics of
data.
3. The numerical data can be
analyzed in a quick and easy way.
4. Quantitative studies are
replicable.
WEAKNESSES:
1. It requires a large number of respondents.
2. It is costly.
3. The information contextual factors to help
interpret the results or to explain variations
are usually ignored.
4. Many information are difficult to gather
using structured research instruments.
5. If not done seriously and correctly, data
from questionnaires may be incomplete
and inaccurate.

6. KINDS OF QUANTITATIVE RESEARCH:
1. Descriptive Research
2. Correlational Research
3. Evaluation Research
4. Survey Research
5. Causal-Comparative Research
6. Experimental Research

7. IMPORTANCE OF QUANTITATIVE RESEARCH:
Teaching
Profession
1 Accounting
Business
Management
2 Science
Technology
Engineering
Mathematics
3 Humanities
Social
Sciences
4

8. VARIABLES
 A central concept in research.
 A measurable characteristic that changes in value.
TYPES OF VARIABLES:
1. Continuous (Interval or Ratio)
2. Discrete (Nominal or Ordinal)
3. Dependent
4. Independent