Table 4.

Descriptive statistics and inter-correlations (N = 214) ^a.

	Control Group		Experimental Group		α	1	2	3	4	5
	M	SD	M	SD
1. MMSE	29.20	1.15	23.50	3.27	0.89	-	−0.10	0.09	0.11	−0.16 **
2. MoCA	28.53	1.57	18.33	4.38	0.77	0.63 **	-	−0.11	0.02	−0.17 **
3. FAB	16.24	1.33	11.31	3.28	0.87	0.52 **	0.55 **	-	−0.09	−0.22 **
4. Hamilton	4.37	2.58	10.29	7.35	0.76	0.14	0.08	−0.10	-	0.22 **
5. AES-C	28.35	7.8	37.58	11.0	0.91	−0.04	0.46 **	−0.21 **	0.58 **	-

Notes: MMSE = Mini Mental State Examination; MoCA = Montreal Cognitive Assessment; FAB = Frontal Assessment Battery; Hamilton = Hamilton psychiatric Rating scales For Depression; AES-C = Apathy Evaluation Scale—Clinician Version; p scores: * < 0.05, ** < 0.001. ^a Correlations among experimental data are below the diagonal; correlations among control group data are above the diagonal.