An Educational Psychologist Is Interested in Finding Out Whether a New

question 34

Multiple Choice

An educational psychologist is interested in finding out whether a new instructional program is effective in teaching students a second language. She randomly assigns students to two groups. She trains one group with the program, and then compares the performance of this group with another group that does not get the program. This kind of study is best described as _____; it _____allow for a causal inference to be drawn.

• A) a correlational study; does
• B) a quasi-experiment; does not
• C) naturalistic observation; does
• D) a true experiment; may

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Definitions:

Air Pockets

Small areas where air is trapped, often leading to turbulence when encountered by aircraft.

Trachea

The windpipe, a tube that connects the pharynx and larynx to the lungs, allowing for air passage.

Adam's Apple

A noticeable bulge in the human neck, more prominent in males, formed by the thyroid cartilage surrounding the larynx.

Vocal Cords

Bands of tissue in the larynx that vibrate to produce sound when air passes through them during speech or singing.