Exhibit 2-1: Based on the Title of the Following Research

question 4

Multiple Choice

Exhibit 2-1: Based on the title of the following research studies, classify each according to the research method employed in the study.
-Refer to Exhibit 2-1.Effect of questioning techniques on student's learning.

• A) survey
• B) historical
• C) ex post facto
• D) experimental
• E) qualitative

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Definitions:

Cell Phones

Portable electronic devices used for communication, including voice calls, text messaging, and internet access.

Herring

A type of small, silver-colored fish, often found in the temperate waters of the Pacific and Atlantic Oceans, and commonly used in various culinary traditions.

Comparative Advantage

Comparative advantage is the ability of an individual or country to produce a particular good or service at a lower opportunity cost than others, forming the basis for specialization and trade.

Absolute Labor Productivity

The total output produced by a worker or workforce in a given time period, not adjusted for factors like hours worked.