IOP2601 Assignment 3
Semester 2 2024 - DUE 25
September 2024
QUESTIONS WITH COMPLETE ANSWERS
[DATE]
[COMPANY NAME]
[Company address]
, IOP2601 Assignment 3 Semester 2 2024 - DUE 25 September 2024
QUESTION 1 [5]
1.1 Indicate whether the following statements are True or False.
a) A non-directional hypothesis is used when there is no prior theoretical
basis for predicting the specific direction of the effect or relationship
between variables. (1)
b) In a study testing a directional hypothesis, the critical region for rejecting
the null hypothesis is split into two tails of the distribution. (1)
c) A non-directional hypothesis always predicts that there will be no
difference or relationship between variables. (1)
1.2 A researcher is investigating the effectiveness of a new teaching
method in improving students’ test scores relative to a traditional teaching
method. The researcher anticipates that the new method will result in
significantly higher test scores based on prior research findings. Based on
this context, formulate a directional hypothesis. (2)
QUESTION 2 [15]
A researcher is investigating whether South African high school students
who use the new digital learning platform achieve higher academic
performance compared to those who receive the traditional classroom
instruction. Prior research indicates that the digital learning platform is
expected to result in higher academic performance scores. Table 1
provides the scores obtained from 100 randomly selected students. Table 1
Semester 2 2024 - DUE 25
September 2024
QUESTIONS WITH COMPLETE ANSWERS
[DATE]
[COMPANY NAME]
[Company address]
, IOP2601 Assignment 3 Semester 2 2024 - DUE 25 September 2024
QUESTION 1 [5]
1.1 Indicate whether the following statements are True or False.
a) A non-directional hypothesis is used when there is no prior theoretical
basis for predicting the specific direction of the effect or relationship
between variables. (1)
b) In a study testing a directional hypothesis, the critical region for rejecting
the null hypothesis is split into two tails of the distribution. (1)
c) A non-directional hypothesis always predicts that there will be no
difference or relationship between variables. (1)
1.2 A researcher is investigating the effectiveness of a new teaching
method in improving students’ test scores relative to a traditional teaching
method. The researcher anticipates that the new method will result in
significantly higher test scores based on prior research findings. Based on
this context, formulate a directional hypothesis. (2)
QUESTION 2 [15]
A researcher is investigating whether South African high school students
who use the new digital learning platform achieve higher academic
performance compared to those who receive the traditional classroom
instruction. Prior research indicates that the digital learning platform is
expected to result in higher academic performance scores. Table 1
provides the scores obtained from 100 randomly selected students. Table 1
