Exam 6: Perception

As a test of ESP,you ask your friend Jean to predict the numbers on 10 cards you pull from the deck.Surprisingly,she gets six correct.Which of the following conclusions is most valid?

At low stimulus intensities,it takes ____ changes in order to detect a JND between two stimuli.

A famous artist has made a name for herself by the way she leaves objects in paintings incompletely drawn.Yet when we look at her works,we perceive the complete objects.What organizational rule of perception is occurring?

According to the gestalt psychologists,perception occurs because of the brain's ability to organize sensations according to rules.

A stimulus that is detected at only an unconscious level is called a(n)____ stimulus.

Brightness constancy results in the tendency to perceive:

The point above which a stimulus is perceived and below which it is not perceived is called a stimulus ____.

Testimonial evidence provides hard scientific evidence that ESP exists.

Which neurotransmitter may actually influence our beliefs regarding ESP?

An illusion is:

The ability to separate figure from ground is:

Any change in memory following listening to recordings with subliminal messages to improve memory is probably due to the effectiveness of subliminal messages.

A skywriter is writing the words "VOTE FOR JOHNSON" in the blue sky above a football stadium during a game.However,his emission system becomes clogged so that only parts of the letters appear.Johnson tells him not to worry,the crowd will perceive his message by using:

Professor Karweick walks into her filled classroom,immediately perceiving students as sitting in rows rather than in a haphazard fashion.This is similar to what principle of perceptual organization?

Which of the following is correct about subliminal perception?

The study on subliminal messages cited in your textbook suggests that among the subjects,50% reported improvements in memory or self-esteem.The type of improvement,memory or self-esteem,was determined by:

Our first impression of other people is influenced by:

The JND is defined as the:

Textures can be used to create a sense of depth because:

Weber's law states that: