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10.) WHICH OF THE FOLLOWING TYPES OF HYPOTHESIS IS NOT APPROPRIATE
FOR THE PSYCHOLOGIST TO USE IN THEIR STUDY? - 🧠ANSWER ✔✔B NON-
DIRECTIONAL HYPOTHESIS
11.) EXPLAIN WHY A REPEATED MEASURES DESIGN WAS MORE APPROPRIATE
THAN AN INDEPENDENT GROUPS DESIGN IN THIS STUDY. ( 2 MARKS) -
🧠ANSWER ✔✔-A repeated measures-more appropriate than an independent
groups design in this study AS RM allows for each participant to serve as their
own control.
-this means that each student's stress levels were compared under two different
conditions: Condition A (exercise) and Condition B (normal activities).
-By comparing the stress levels within the same individuals, the effects of
individual differences are minimised,
- the focus can be placed on the specific impact of the conditions themselves
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,To improve the validity of the findings, the psychologist counterbalanced the
students across the experimental conditions.
12.) Describe how the psychologist could have counterbalanced the students
across the experimental conditions. ( 3 marks) - 🧠ANSWER ✔✔-First, the
psychologist would divide the 20 students into two groups, let's call them Group
1 and Group 2.
-In the first week, Group 1 would be assigned to Condition A, (which means they
would do the 2 km run during their morning breaktime. At the same time,
Group 2 would be assigned to Condition B, which means they would continue
their normal activities in the playground.)
-Then, in the second week, the psychologist would switch the groups.
(Group 1 would now be in Condition B, doing their regular activities in the
playground, while Group 2 would be in Condition A, doing the 2 km run during
their morning breaktime)
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, -This results in each student would get a chance to experience both conditions,
but in different weeks and with a different group of students.
-This ensures that any effects seen in the study are not just because of the order
in which the conditions were presented or because of the specific group of
students.
Students self-reported their stress levels on a scale of 1-10.
13.) Explain how this might have affected the validity of the data collected, ( 4
marks) - 🧠ANSWER ✔✔-Self-report measures rely on individuals' subjective
interpretations and perceptions of their stress levels.
-Different students may have diff interpretations of stress, leading to potential
differences in how they rate and report their stress levels
-This subjectivity introduces a degree of measurement error and may affect the
reliability and validity of the collected data.
Also - demand charecterisitcs as (students may feel inclined to provide
responses that they believe align with societal expectations or what they
perceive as the "correct" response)
-For example, some students may feel pressure to downplay or minimise their
stress levels due to societal expectations of being resilient or "strong."
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COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED