A Researcher Is Conducting a Matched-Pairs Study

question 30

Multiple Choice

A researcher is conducting a matched-pairs study.She gathers data on each pair in the study resulting in: Assume that the data are normally distributed in the population.The sample standard deviation (s) is ___.

• A)1.3
• B)1.14
• C)1.04
• D)1.02
• E)1.47

---

Definitions:

Affective Forecasting

The process of predicting one's emotional state in future situations.

Experimental Variables

Elements or conditions that can be changed and manipulated within an experiment to test their effects on the outcomes.

Control Variable

A variable that is kept constant during an experimental test to ensure that any changes observed in the outcome can be attributed to the variable being tested.

Prestigious Colleges

Institutions of higher education that are highly respected and recognized for their academic excellence and selectivity in admissions.