Research Design

Question 1

What is the connection between a “hypothesis” and Variable?

Answer 1

A testable explanation between 2 or more variables

Question 2

“Variable”

Answer 2

Changes in amount and Semantics

Question 3

Dependent Variable

Answer 3

amount thats being measured in experiment. eg Spelling test performance.

Question 4

Independent Variable

Answer 4

Manipulated amount. eg Breakfast Type

Question 5

Operational definition

Answer 5

Defining how your going to be using your variables.

Question 6

True Experiments

Answer 6

Independent Variable (IV) manipulated
Subjects randomly assigned to groups

Question 7

Quasi Experiment

Answer 7

Independent Variable (IV) Manipulated 
Subjects NOT randomly assigned  to groups

Question 8

Correlational

Answer 8

Independent Variable (IV) is not Manipulated

Question 9

Naturalistic Study

Answer 9

Researches does not intervene, measures behavior as it naturally occurs.

Question 10

Significance Testing Processing

Answer 10

Step 1:Formulate alternative and null hypothesis based
on your research hypothesis
Step 2: Decide on a criterion of significance(.05)
Step 3: Collect data
Step 4: Perform significance test on your data in order to
obtain the significance level
Step 5: compare obtain significance level to Criterion of
significance. if the significance level is less than
the criterion of significance. the results are
significant. otherwise they are not.
Step 6: if the results are statistically significant, reject the
null. If the results are insignificant, accept the null

Question 11

Type 1 Error

Answer 11

Null is true.
Reject null
Accept : Correct decision

Question 12

Type 2 Error

Answer 12

Null is False
Accept : Correct decision
Type 2

Question 13

Chi-Square test

Answer 13

These are test that work with categorical data:

This where you are summarizing categorical data