Cognitive Psychology

Input and Output Channels

Visual: People recognize objects, words, forms and colors. It is the primary source of information.

Auditory: People can perceive different types of sounds,frequencies, pitch, timbre, etc. They have the option to focus on the ones they want to concentrate to.

Haptic: Touch is not very perceived in the human-computer interaction. Yet it is noticeablewhen using virtual reality, since the objects cannot be felt.

Movement: The time it takes people to move when they receive information is fast, yet it is convenient to try having at their reachwhat they are searching for the best way possible.

Information Stored in Memory

Sensory Memory: They exist for each sensory channel. The visual, hearing, and touch. They are transferred to theshort-term memory.

Short-Term Memory: To recognize, analyze and respond the information at a fast speed, yet this memory is for short periods of time.

Long-Term Memory: To recognize,analyze and respond the information at a low speed, but it is something that we can know of for long periods of time.

Information Processed and Applied

Reasoning: To draw conclusions or infersomething new about the domain of interest. It may be deductive, inductive or abductive. Deductive means to derive logic of our own to have a conclusion, inductive is when we may generalize knowledgeand abductive is when we infer some knowledge.

Problem Solving: The process of finding a solution to an unfamiliar task, using the knowledge we have.

Skill Acquisition: The ability toidentify series of problems and group them according to their similarities. Low skilled people tend to group them by superficial characteristics and high skilled people tend to group them by a deeperunderstanding and underlying conceptual similarities.

Error: People mistakes. Mental models are often partial like when a user doesn’t have a full understanding of the working of the whole system.