A Researcher Randomly Assigned Two Groups of 40 Students Each

question 43

Multiple Choice

A researcher randomly assigned two groups of 40 students each to read a vague passage. One group read a passage with a descriptive title that helped make sense of the passage. The other group read the same passage but without a title. The experimenter then tested students' memory of the reading by counting the number of ideas correctly recalled from the passage. In this study, the _____ is the dependent variable.

• A) presence or absence of a title preceding the passage
• B) number of ideas correctly recalled
• C) individual differences in students' memory ability
• D) number of students in the sample

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Definitions:

Decreasing

Refers to a process or trend where quantities or values are going down or diminishing over time.

Slope

In mathematics, a measurement of the steepness, incline, or grade of a line, typically expressed as a ratio of vertical change to horizontal change.

Value

The importance or utility that something has for an individual or the market price of a good or service.

Horizontal Axis

In graphing, this is the x-axis, which typically represents the independent variable.