1. Method on
Psychological Study
General Psychology
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2. Introspection
Observation/Descriptive Method
Life History
Survey
Experimental Method
Statistical Method
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3. Descriptive Methods
These provide a description
of the behavior of the
person or the animal being
studied
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4. Senses
Sight Visual Eyes
Hearing Auditory Ear
Smell Olfactory Nose
Taste Gustatory Tongue
Touch Cutaneous Skin
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5. Naturalistic Observation
Observation of things as they naturally
happen.
The observer simply record what they see
and hear who selecting some events and
ignoring others.
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6. Naturalistic Observation
Psychologists is interested in the answer to
some specific questions.
It is made more precise and even more
systematic with the use of the following:
Tests
Scales
Inventories
and Questionnaires
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7. Clinical Method
People with problems come or are taken to
a clinical psychologists for help.
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8. Life History
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9. Survey
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10. Experimental Method
It is considered as the basis or
foundation of all scientific research.
Some experiments require elaborate
equipments and are conducted in the
laboratory.
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11. Statistical Method
The data obtained from experiments are
needed to be classified in order to give
meaning to the data
and they need to be interpreted
according to statistical procedures.
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12. Statistical Method
Measures of central tendency
Correlation
Reliability and Validity
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13. Measures of Central Tendency
Mean
Median
Mode
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14. Mean
Most often refers to as true “Arithmetic
Mean”
Obtained by summing all elements of
the data set and dividing by the number
of element.
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15. Median
the “Middle Entry” in the list
it is the middle element where the data
set is arranged in order of magnitude
MIDRANGE- is the arithmetic mean of
the highest data elements
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16. Mode!
is the data element which occurs most
frequently
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17. example
1 1 1 1 2 2 2 2 1 1
2 2 1 1 2 2 2 2 2 1
1 1 2 2 2 1 1 1 2 2
1 2 2 2 1 1 1 1 2 2
1 1 1 2 2 1 1 2 2 2
1 = 23
2 = 27
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18. Reliability
Refers essentially to repeatability
A test is said to be reliable if it yields
similar results each time it is used.
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19. Validity
refers to the extent with which a test
measures what it is supposed to
measure.
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20. Solve:
1. 2 , 1 , 4 , 3 , 6 , 5 , 8 , 7 , 1 0 , 9
2. 1 0 , 2 0 , 3 0 , 4 0 , 5 0
3. 5 0 , 3 0 , 8 0 , 9 0
4. 2 0 5 , 1 0 5 , 3 0 5 , 4 0 5 , 7 0 5 ,
505
5. 1 0 , 0 0 0 40,000 70,000
80,000 30,000 60,000
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