Which of the Following Statements Is/are CORRECT

question 39

Multiple Choice

Which of the following statements is/are CORRECT?
1) The group 3A elements are also known as the chalcogens.
2) The noble gases are sometimes called the rare gases because of their low abundances.
3) The halogens,or group 7A elements,all exist as diatomic molecules.

• A) 1 only
• B) 2 only
• C) 3 only
• D) 2 and 3
• E) 1,2,and 3

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Definitions:

Test-retest Reliability

The consistency of a psychological test or assessment's results over time, indicating the instrument's stability.

Alternate-form Reliability

A measure of consistency where two versions of a test that are considered equivalent are given to the same participants at different times to assess consistency of scores.

Internal Consistency

A measure used to evaluate the reliability of a test or scale, indicating how well the various items assess the same characteristic.

Split-half Reliability

A measure of consistency where a test is divided into two parts and the scores from each half are compared to assess the test's reliability.