Ways of Acquiring Knowledge and Solving Problems.pptx
Transcript of Ways of Acquiring Knowledge and Solving Problems.pptx
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Ways of AcquiringKnowledge and
Solving Problems
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Scientic MethodO Systematic process of empirical
investigation
O Key to unloc bodies of nowledgeO Organi!ed thoughts and procedures
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"#perimentum $rucisO Sir %saac &ewton ' (ather of Physics
O)heory of the composition of light
*+,,-.s
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)he Scientic MethodO Problem
O /ypothesis
O)esting0"#perimentationO Analysis of 1ata
O 1rawing of $onclusion
* (alse /ypothesis 2 modify
* )rue /ypothesis 2 repeat thee#periment
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+3 Statement of the
ProblemO $hoose a problem
O Knowledge on the chosen topic
O $ollect informationO What do you want to now4
"#ample3 /ow does fertili!er a5ect the
growth of plants4
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63 (ormulation of/ypothesis
OA wise guessO Statement that presents the possible solution tothe problem
O %t can be tested
O %t is based on nowledge and researcha78&ull hypothesis9/o8
*no relationship between the variable
b78Alternative hypothesis
*has a relationship between the variable
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:3 )esting /ypothesis and
;athering of 1ataO $onducting an e#periment
O Most important part of the scientic
methodO %t is done to answer the research
question or investigate a problem
O State a prediction
O
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: )ypes of "#perimentsO $ontrolled
O &atural
O (ield
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$ontrolled "#perimentO $ompares the results obtained from
an e#perimental sample against
control sample7O Alteration of the variable7
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>ariableO $haracteristic? number or quantity
that increases or decreases over
time or taes di5erent values indi5erent situations7
O $ontrolled? %ndependent and1ependent
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$ontrolled >ariableO $onstant
O 1o not receive any treatment
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%ndependent >ariableO (actors that you change or alter
during the e#periment7
O /as e5ect on other variable7
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1ependent >ariableO >alues that are observed
O @esponse to an independent variable
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&atural "#perimentO uasi*e#periment
O @ely solely on observations of
variables of the system under study7O 1oes not manipulate variable
O $ollects data that can a5ect thevariable
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(ield "#perimentO 1raw a contrast with laboratory
e#periments
O "#amines the real world using thescientic method
O Social sciences
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O $ontrolled group
*without variable being tested
"#perimental group*contains variable being tested
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B3 Analy!ing and Presenting
1ataO 1ata obtained from the e#periment
O A table can be used to present the
data
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C3 $reating $onclusionO $onclusion* results of the e#periment
and statement of how results match
up to the hypothesis7O)heory* scientically accepted fact7
O Scientic Daw* universally accepted7
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,3 @eporting of (indingsO Sharing of the results
O %mportant in perpetuating the gained
nowledge in conducting thescientic method