Author: Administrator

SELF-REPORT MEASURES OF COGNITIVE WORKLOAD

A long-standing approach in research studies is to ask individuals directly how much workload they have experienced while performing a task. The best known exemplar of this approach is the NASA-TLX, developed by Hart...

COGNITIVE TASK SELECTION

Let’s assume we are looking around for a cognitive task to include in a new experiment. We want the task to have a number of well-defined characteristics. Some important features are: Results in a...

WHAT IS COGNITIVE WORKLOAD?

COGNITIVE WORKLOAD is defined as the level of measurable mental effort put forth by an individual in response to one or more cognitive tasks. It is usually considered to be a property of an...

ANALYSIS OF VARIANCE AND REGRESSION TESTS

Much of psychological research depends upon the general linear model to describe the statistical relationship between a dependent variable and one or more predictor variables. ANOVA and regression analyses are variations of this model....

WHAT IS COGNITIVE TASK PERFORMANCE?

COGNITIVE TASK PERFORMANCE is the measurable outcome for an individual on a cognitive task. Performance may be qualitative (poor to excellent) or quantitative (0% to 100%) and indicates the individual’s successful execution of the...

WHAT IS COGNITIVE TASK LOAD?

COGNITIVE TASK LOAD refers to the amount of cognitive workload that should be produced by a typical individual while performing a specified cognitive task. It is based on the aggregate responses of many individuals...

WHAT ARE COGNITIVE TASK DEMANDS?

COGNITIVE TASK DEMANDS are the different cognitive functions and/or processes that are embedded in a cognitive task. Simple tasks may have few cognitive task demands whereas complex tasks may have many. In aggregate, these...