Lecture 3 - Process And Method Of Science

Question 1

Two main types of scientific inquiry

Answer 1

Discovery science

Hypothesis based science

Question 2

Discovering science

Answer 2

Discovering nature

Describes nature through observation and collection od data without a hypothesis

Question 3

What is goal of discoevry science

Answer 3

Gather information

Question 4

Hypothesis

Answer 4

Formal explanation for a natural phernomenon

Predictions that can be tested by obervation and experiments

Question 5

Independent varible

Answer 5

Experimental variable, the one being manipulated

Question 6

Dependent variable

Answer 6

Response variable, the one being obererved

Question 7

Null hypothesis

Answer 7

No difference

Assumed to be true until proven false

Question 8

Steps of the scientific method

Answer 8

Oberve yours and other peoples results 
Form a hypothesis 
Prediuction based on hypothesis
Test prediction 
Interprete data 
Conclusions

Question 9

Control group

Answer 9

Differ in the indepednet variable

Question 10

Factors to considerf when planning an expriment

Answer 10

Avoid bias: patient and evlauator should not know which group is which
Placebo effect: patients reporting changes even though they were not given placebo
Sampple size: larger sample size, more accurate results