Exam 10: True Experiments, Part 1 Single-Factor Designs

An experiment always has at least

In a study of preference for four different clothing styles, each participant is asked to evaluate all four styles in a reverse counterbalanced order. What type of design does this study represent?

In which one of the following situations would the Latin square technique be appropriate? When it

The Latin-square design controls for

Craik and Tulving 1975) designed a study to examine methods of processing words on memory. In the first part of the experiment, they asked a question regarding the visual processing, acoustic processing, or semantic processing of the word before the subject was presented with the word. Each subject in their study experienced all three types of questions. In the second part of the study, the researchers asked people to recognize the words that had been presented from a list containing the original words and many distractor words. What is the best description of the design of Craik and Tuliving's experiment?

O X O represents the

A psychology professor wants to test the effectiveness of providing students in his introductory experimental psychology class with an outline of his weekly lecture notes. He forms two groups within his class, each containing 24 students. The experimental group receives an outline of the professor's weekly lectures, and the control group receives no outline. Grades at the end of the course are compared between the two groups. On the basis of this description, discuss what flaw is most evident in the design of the experiment. Identify and design and discuss an alternative procedure that might eliminate the flaws.

An independent variable is also referred to as a

O X O O represents the

Which one of the following is the simplest true experimental design?

If counterbalancing within subjects does not seem possible in a within-subjects experiment, the you may consider controlling for order and sequence effects

The advantage of the Latin Square technique over complete counterbalancing is that

Which one of the following variables is most experimentally manipulable?

Dr. Small wanted to perform an experiment using fMRI that had three conditions: A, B, and C. She wanted to present them to her subjects in the following order: ABCCBA. This type of presentation of conditions is called

Random allocation of subjects to groups

Order effects result from

Dr. Pritts is trying to determine whether elevated levels of a particular hormone alter rats' spatial ability. She injects rats either with the hormone or a saline solution, then times how long it takes them to find the hidden platform in a Morris Water Maze. In this problem,

Which one of the following procedures is an appropriate way to control for sequence effects in a within-subjects experiment? Arrange so that each condition

The independent variable in the experiment described in question 38 is