Inferential Statistics (community) Flashcards

1
Q

Define Validity

A

Does the test measure what it claims to be measuring

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2
Q

Define Reliability

A

The extent to which the method of measurement consistently perfoms

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3
Q

What are the 2 types of examiner reliability?

A

Intraexaminer & Interexaminer

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4
Q

Define intraexaminer

A

performance by the same evaluator

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5
Q

Define interexaminer

A

consistent performance BETWEEN different examiners

-INCREASED by calibration

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6
Q

Define Sensitivity

A

the ability of a test to correctly identify the presence of a disease
(TIP ‘en’ is found in both sENsitivity and presENce)

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7
Q

Define Specificity

A

the ability of a test to identify the ABSENCE of a disease

TIP ‘en’ is ABSENT in ‘specificity

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8
Q

What is a t-test

A

Used to test the hypothetical difference between TWO mean scores
(TIP t stands for two)

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9
Q

Define ANOVA test (analysis of variance)

A

when comparing the statistical difference between 3 or more mean scores
(TIP there are more than 3 letters in ANOVA)

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10
Q

Define p-value (probability value)

A
  • used when testing hypothesis
  • standard of acceptability is 1 out of 20 or a p-value of < 0.05
  • a p-value greater than 0.05 will negatively affect study results
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