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SAQ answers for practical investigation (human physiology)
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DistanceLearningCentre.comANSWERS TO SAQS
Subject: Biology / Human Physiology / Psychology / Social Work
Unit: Practical Investigation / Psychological Investigation /
Experimental Research in Psychology
Topic 1, 2, 3 Stress, Research Methods, Data Analysis
Level: 3
Answers to SAQs
SAQ 1:
a) Which model investigates what is occurring within the person?
b) Which model's origins are from physics?
c) Which model is interested in the interaction between the person
and the environment?
Answer/s:
a) Psychological
b) Engineering
c) Transactional
SAQ 2:
Why do you think that the stress response is associated with
flight/fight responses?
Answer/s:
Some stressors are associated with needing to take action for example if we
are threatened – the fight or flight response mobilises the bodies resources
so that we are able to do this by either confronting the source of stress or
running away from it. However this response is often not appropriate for
many modern stressors.
, Subject: Biology / Human Physiology / Psychology / Social Work
Unit: Practical Investigation / Psychological Investigation / Experimental Research in
Psychology
Topic: Stress, Research Methods, Data Analysis
Level: 3
ANSWERS TO SAQs
SAQ 3:
Why do we need high levels of glucose when we are faced with
a stressor?
Answer/s:
High levels of glucose are needed to increase the rate of respiration in cells
– so more energy is produced to enable the actions of fight or flight.
SAQ 4:
a) What are stressors?
b) Stressors can be caused by internal factors! True or false.
c) What are social stressors?
d) What is the life event scale?
Answer/s:
a) Stimuli that trigger stress are known as stressors
b) True: Internal factors such as self-imposed pressure can lead to stress.
c) Social stressors are items within our social world that cause us to
experience stress. They include items such as friends, family, job, home life
and social interactions.
d) A scale developed by Holmes and Rahé in an attempt to score events
which the individual is exposed to
SAQ 5:
a. Name two biological effects of stress
b. Name two psychological effects of stress
c. Outline the effect of very high levels of stress (arousal) on
performance)
Answer/s:
a. Any two from raised pulse rate, increased heart rate, fight or fight
response, weakened immune system
b. Anxiety Fear Anger Sadness Frustration depression Withdrawal
Indecisiveness Trouble sleeping Irritable Tearful Changes in alcohol /
drug use or smoking
c. Very high levels of stress lead to poorer performance
© DistanceLearningCentre.com, 2022 2
, Subject: Biology / Human Physiology / Psychology / Social Work
Unit: Practical Investigation / Psychological Investigation / Experimental Research in
Psychology
Topic: Stress, Research Methods, Data Analysis
Level: 3
ANSWERS TO SAQs
SAQ 6:
Explain from your personal experience why social media use may
include threat, uncontrollability and negative social evaluation.
Answer/s:
Threat may come from news items or local incidents seen, the feed has only
some degree of control over what is seen, fear of missing out could arise
and seeing stories from others may lead us to evaluate our own lives or
situations more negatively.
SAQ 7:
List research from these materials which show the effect of social
media could be detrimental, positive or have a mixed impact
Answer/s:
Detrimental impact Positive impact Mixed findings
Thomee (2014) Apaolaza et al Carrier er al (2009)
(2019)
Auger & Hacker
(2012)
Mista & Stokols
(2012)
Pew Research
Centre (2015)
Topic 2 Research Methods
SAQ 1:
1. Try to give an IV and DV for each of the following, and identify
how they have been operationalised:
a) Aim: To investigate whether boys throw balls further than
girls.
b) Aim: To investigate if caffeine affects a participant’s
performance on a reaction time test.
Answers:
1.
a) IV: Gender
DV: Distance the ball is thrown
b) IV: Caffeine/no-caffeine consumption
DV: Reaction times
© DistanceLearningCentre.com, 2022 3
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