Nature of Research
Ways of Knowing
We see, we hear, we smell, we taste, we touch.
Sensory data, to be sure, can be refined.
Our senses can (and often do) deceive us.
The water we see in the road ahead is but a mirage
Variables and Hypotheses
Importance of Studying
Not all research questions, however, suggest
Sometimes researchers are interested only in
obtaining descriptive information to find out how
people think or feel or to describe
The Nature of Qualitative
What is Qualitative Research
Consider the teaching of history in secondary
Just how do history teachers teach their subject?
What kinds of things do they do as they go about
their daily routine?
What sorts o
How to write a good paper
Writing papers is a skill
Many papers are badly written
papers are rejected because of poor presentation and
poor choice of content not the ideas they present.
Good ideas arent getting published; authors are
College of Technological Innovation
CIT491 Research Methods
Class Activity: Chapter 4: Ethics and Research
ST Name: Hessa Taha
Activity 3.1: Ethical or Not?
Activity 3.2: Why Would These Research Practices B
Confidence intervals for
Mean when Unknown
The population of interest is normal, so
that X1, Xn constitutes a random sample
from a normal distribution with both
m and unknown.
When X is the mean of a random
Confidence Intervals and
General Concepts and
Confidence intervals for the
mean (variance known)
Page 366. Problems: 1-8, 9, 11, 12, 14,
Page 367. 23-26
A point estimator of a parameter is a single