Quiz 5
Which of the following refers to concepts measured with multiple variables?
constructs
The group receiving the treatment being studied is called the ________.
experimental group
Research projects involving experimental manipulations that are implemented in a natural environment are called _________.
field experiments
The question as to whether the independent variable was the sole cause of the change in the dependent variable is the basic issue in _________.
internal validity
All of the following are experimental design elements EXCEPT for the _______.
manipulation of the dependent variable
Salespeople are tested one year after a sales training program and perform better on the exam, not because of the training program, but because they have gained one year's experience in sales. Which type of effect has occurred?
maturation effect
__________ definitions translate conceptual definitions in to measurement scales.
operational
Caroline is participating in an experimental study in which she is taking an herbal supplement and the researcher measures her perceived energy levels for several weeks. Although she doesn't know it, the supplement she is given in the study does not contain the herb of interest. However, Caroline feels as though she has more energy than before, and she attributes it to the herbal supplement. This effect is called a(n) _________.
placebo effect
A person's weight is best described as being measured on a(n) _________ scale.
ratio
Which of the following is an indicator of a measure's internal consistency?
reliability
If the sampling units, typically subjects, in an experimental cell are somehow different than the units in another cell, and this difference affects the dependent variable, ____ may occur.
systematic