Research Methods

Question 1

The Human-Machine System

Answer 1

Human (Perception, Cognition, Action) & System (Controls, Operations, Displays)

Question 2

Goals of Science

Answer 2

1) Description 2) Prediction 3) Explanation/Understanding

Question 3

Reliability

Answer 3

Consistency of measurements

Question 4

Validity

Answer 4

Degree to which an experiment, procedure, or measurement represents what it is supposed to

Question 5

Descriptive Research Method

Answer 5

Examine a situation that can’t be replicated

Question 6

Experimental Research Method

Answer 6

Hypothesis, IV, Random Assignment, Between/Within Subjects

Question 7

Usability

Answer 7

Learnability, efficiency, memorability, low error rate, satisfaction

Question 8

Gulf of Execution

Answer 8

Gap between user’s goal of action and the means to execute that goal

Question 9

Gulf of Evaluation

Answer 9

Degree to which the system provides representations that can be directly perceived and interpreted in terms of the expectations and intentions of the user

Question 10

Constraints

Answer 10

Can prevent error. Affordances (only one option). Forcing function.