Figure 2-9 -Refer to Figure 2-9.Taking Cause and Effect into Account,which of Effect

question 117

Multiple Choice

Figure 2-9

-Refer to Figure 2-9.Taking cause and effect into account,which of the following interpretations would be most reasonable regarding the relationship between coffee and hours without sleep?

• A)The less coffee a person drinks per day, the more time he can go without sleep.
• B)There is no relationship between how much coffee per day a person drinks and how long he can go without sleep.
• C)The more coffee a person drinks per day, the longer he can go without sleep.
• D)The relationship between cups of coffee per day and time without sleep is too unpredictable to consider.

---

Definitions:

Reliability

Reliability in research refers to the consistency or repeatability of a measure or test; a reliable measure produces similar results under consistent conditions.

Measurement

The process of finding out whether people (or media content) have more or less of an attribute we are interested in. It is done by assigning numbers to the phenomena we are interested in.

Face Validity

The extent to which a test or procedure appears effective in terms of its stated aims to those taking or observing it, without considering underlying mechanisms.

Semantic Differential Scales

A type of survey question where respondents rate a concept on a scale between two bipolar adjectives, used to measure attitudes or feelings.