Identifying Research Problem
A sample question for this statistics is...
What is the average number of hours of screen time per week reported by graduate students enrolled in online courses?
Descriptive
Categorical
Four (4) types of validity
Face validity
Content validity
Criterion validity
Construct validity
Direct
Indirect (Latent)
A sample question for this statistics is...
Is an online support group effective in reducing anxiety during the COVID-19 pandemic compared to those who did not participate in an online support group?
If the nature of question is descriptive and have a continuous data, what statistics will you use?
Define "validity".
VALIDITY refers to the accuracy of measurement; measuring what we intend to measure.
The full name of Ma'am Gina
Maria Regina Hechanova-Alampay
A sample question for this statistics is...
"What are health factors that predict severity of COVID-19 symptoms?"
Correlation
What is the measure of variation from the mean in a set of values?
Standard Deviation
What are some ways to establish reliability (give at least 2)
Test - retest
Parallel Forms
Split Half reliability
Internal Consistency reliability
How many students are in this class?
23
Give us an example of possible research questions for a comparative type of study?
Do work-from-home mothers and fathers differ in their reported work stress during the COVID-19 pandemic?
What's the difference between continuous and categorical data?
Categorical variables contain a finite number of categories or distinct groups.
while Continuous variables are numeric variables that have an infinite number
A cronbach's alpha of _____ or higher is acceptable in reliability analysis
0.70
Sino mas gwapo? Si Arnold or si Yam?
hehe bonus
Enumerate the Levels of Measurement
Nominal, Ordinal, Interval, Ratio
Explain the difference of positively skewed distribution and negatively skewed distribution
Positively skewed - most cases have LOW scores
Negatively skewed - most cases have HIGH scores
In your own words, explain what is factor analysis.
It's the clusters of variables that correlate highly with each other that may measure a latent variable
IDEAS means...
Identify research question
Describe sample and data
Examine pyschometric properties
Analyse data
Summarize findings