A theory that has much data to support it meets the criterion of ______________. (Fill in the blank)

A theory that has much data to support it meets the criterion of ______________.
 
  Fill in the blank(s) with correct word

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Question 2

A theory that covers a wide range of phenomena is ______________.
 
  Fill in the blank(s) with correct word

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Question 3

A theory that contains more constructs and assumptions than necessary fails to meet the test of ______________.
 
  Fill in the blank(s) with correct word

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Question 4

The intensive study of a given person over a long period of time is called ______________.
 
  Fill in the blank(s) with correct word

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Question 5

The correlational method expresses the direction and size of the link between two variables by a statistical device called the ______________.
 
  Fill in the blank(s) with correct word

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Question 6

In the experimental method, the investigator actively manipulates the ______________ variables.
 
  Fill in the blank(s) with correct word