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PSY101L Introduction to Psychology

Added on - 25 Jan 2022

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Psychology Lab Experiment
Reaction Time to Neutral and Emotional Words
Course: PSY101L
Submitted by:
Submitted to:
Dr. A. K. M. Rezaul Karim
Department of History and Philosophy,
North South University
The experimenters took many experiments to understand the relation between different
emotional and neutral words and responding time. They tried to find out the different
response time for different words. This experiment refers to the responding time to the
different neutral and emotional words. This experiment was taken by using single subject
repeated subject design. In this experiment the independent variable was emotional and
neutral words and the dependent variable was response time on the words. In this
experiment, different emotional and neutral words spoken to the participant not informing
which words were emotional or neutral words. The response time was recorded by the
experimenter. The participant took longer time responding to the emotional words than
neutral words. Proper information form, consent form, data sets were presented in the report
for the purpose of transparency. Thus, it is more obvious that people respond to the neutral
words shortly than emotional words.
Human brain reacts after getting stimulus from the environment. An interconnected group of
structures situated on the deep side of the brain named as Limbic system. Limbic system is
responsible for human responses. When human brain gets stimulus from the environment
limbic system analyse the stimulus. Then it creates responses according to it. It works so fast
that responses created rapidly.(Seladi-Schulman, 2018)This experiment; “Reaction Time to
Neutral and Emotional Words” refers to the reaction time of human brain to some Neutral
and Emotional words. To find out the human brain reaction to certain words previously many
studies conducted. Reaction of different words was different to each another. Because
reaction time of different words varies. The objectives of this study is to find out different
reaction time of different words.
Literature Review
A study was conducted September, 2009 showed that regardless of the polarity emotional
words have processing advantage over neutral words. Here also showed that, there is no
asymmetry between positive and negative words(Stavroula-ThaleiaKousta, P.Vinson, &
GabriellaVigliocco, 2009).
Another study conducted in January, 2008 showed that age does not affect much on the
response time of different positive and negative words. Here also showed that, young adults
remembered negative words better than positive words.(Kensinger, 2008)
Definition of Words
Word is the smallest part of grammar which can sound separately and joining with one
another can make a sentence.(Learn English, 2003)Human interacts with each other with
words. They join different words and make a sentence. Then other personlisten to the words
and creates responses in their brain and express the reaction. Different words can have
different reaction time.
Definition of Emotional and Neutral Words
Those words we use usually in the daily life is Neutral words. Like Computer, Mouse,
Classroom, etc. Those words which indicates relationship with our psychological mind are
Emotional words. These words indicates human’s emotions in their life. They reacts to those
words based on their previous experience, their thinking and external environment.
Reaction Time
Reaction time is the measurement of how much time took a person to response to a stimuli.
Reaction time measured through stopwatch. In this study, it was measured that how much
time took a person responding to different emotional and neutral words.
Purpose of the study
The purpose of the experiment was to find out examine the effects of the nature of words on
reaction time.
Independent VariablesNeutral and Emotional words
Dependent VariablesReaction Time of the different words.
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