3. complete sequence
structure
all the major parts

5. A good research design …
Enhances the validity of the research
 Minimizes the plausible alternative
explanations for the hypothesized cause-
effect relationship.

7.  1. Objectives of the study/ Type of the study
 2. Independent Variable / Manipulated variable
 3. Dependent Variables/ Observation/ Measures
 4. Treatment and Control
 5. Subject of the study/ Test organisms

8.  6. Samples or groups
 7. Sampling plan
 8. Method of assignment
 9. Control of Extraneous Variables
 10. Replicates/ Trials
 11. Statistical Analysis

9. 

10. Definition of Terms


11. Definition of Terms

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12. Definition of Terms
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13. Definition of Terms



14. Definition of Terms



15. Definition of Terms


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45. Statistical
Techniques
Descriptive
Central
Tendency
mean
median
mode
Variability
Dispersion
range
Quartile
deviation
SD variation
Shape/
dispersion
symmetry
skewness
Kurtosis
modality
Correlation
bivariate
multivariate
regression
Bivariate
Multivariate
Inferential
Hypothesis
Testing
parametric
Non-
Geometric
Assumption
Point
Interval
Functions of Statistics:
Description and Inference

46. Purpose
Inferential
Estimation Hypothesis
DECISION TREE FOR INFERENTIAL
STATISTICS

47. Inferential
Estimation
(quantitative)
Point
estimate
Confidence
interval
About x

48. Inferential
Hypothesis
Type of data
Ranks
(nonparametric)
Means (parametric)
Frequency Counts
(nonparametric)
Variances
(parametric)

49. Type of data
Ranks
Two levels of
independent
variables
Independent
samples
Mann-
Whitney U
Correlated
Samples
Wilcoxon
matched pairs
signed ranks T
Two levels of
independent
variables
Independent
Samples
Wilcoxon Wilcox
multiple
Comparisons

50. Type of data
Frequency
counts
Goodness of
fit
x2
Test of
independence
x2

51. Means
1 independent
variable
One sample
One sample
1 test
Two levels of
independent variables
independent
samples
Correlated samples
Two levels of
independent variables
Two independent
variables
Independent
samples
Factorial
ANOVA
Independent t-
test
Correlated
t-test
Independent
samples
Correlated
samples
One-way
ANOVA
Tukey
HSD
Tukey
HSD
Correlated
measures
ANOVA
Type of data

52. Type of data
Variances
(parametric)
F-test

53. No
Yes
Randomized or
true experiment
Is there a control group or
multiple measures?
Yes No
Quasi-experiment non-experiment

55. References
Amamanglon KPH. 2007. The change in the cell wall components of the different parts of pechay (Brassica
rapa) exposed to ultraviolet-B at varying duration[unpublished research paper]. Ilo-ilo City: Philippine Science
High School Western Visayas 66p.
Araneta MEAM, Brasileo L.l. 2006. Line-follower robot: a technology to aid the elderly [unpublished research
paper]. Iloilo City: Philippine Science High School Western Visayas 48p.
Billones I.R. Palma RMR, Villacastin AJB. 2006. Pathogenic bacteria found in various streetfood such as
juices,food sauce and ready-to-eat fruits at randomly selected places in IloiloCity [unpublished research paper]
Iloilo City: Philippine Science High School Western Visayas. 49p.
Cadornigara ML. 2012. Fundamentals of resarch, methods and models, Iloilo City: Mindset Publishin Inc.
Caintic HE, Cruz JM. 2008. Scientific research manual. Quezon City: C&E Publishing, Inc ,;147 p.
Contreras ST. 2008. Allometric models for diwal9Philas Orientalis) Iloilo City: Philippine Science High School
Western Visayas
Parker SP, editor 1994. McGraw-Hill dictionary of scientific dictionary of scientific and technical terms fifth
edition. New York: McGraw-Hill, Inc.; 2194p.