Dr. Aris collated the data from his study regarding a virtual-reality (VR) exposure therapy session for public speaking anxiety. His results are shown in Table 1.

Table 1: VR exposure therapy and public speaking anxiety outcome

	VR exposure therapy	Standard relaxation video
Anxiety reduced	34	15
Anxiety not reduced	16	35

State two reasons why Dr. Aris used a chi-squared test to analyse his data.

Dr. Aris collated the data from his study regarding a virtual-reality (VR) exposure therapy session for public speaking anxiety. His results are shown in Table 1.

Table 1: VR exposure therapy and public speaking anxiety outcome

	VR exposure therapy	Standard relaxation video
Anxiety reduced	34	15
Anxiety not reduced	16	35

State two reasons why Dr. Aris used a chi-squared test to analyse his data.

Methods

Question 118

Table 1: VR exposure therapy and public speaking anxiety outcome

Markscheme

Methods

Question 118

Table 1: VR exposure therapy and public speaking anxiety outcome

Markscheme

Methods

Question 118

Table 1: VR exposure therapy and public speaking anxiety outcome

Methods Questions

Methods

Question 118

Table 1: VR exposure therapy and public speaking anxiety outcome

Methods Questions