Refer to the following computer output in which a researcher measured depression levels in a sample before therapy and after therapy. The statistical analysis illustrated in Table 2 is a(n) samples t test. Table 2 Measure 1 Measure 2 Before Therapy After Therapy DV = Depression Level MEASURE N MEAN STD.DEV. Before 20 89.50 12.97 After 20 63.00 10.26 t=2.312 df = 19 p = .031 tcrit 2.093 correlated O homogenous O independent ○ between-subjects
Refer to the following computer output in which a researcher measured depression levels in a sample before therapy and after therapy. The statistical analysis illustrated in Table 2 is a(n) samples t test. Table 2 Measure 1 Measure 2 Before Therapy After Therapy DV = Depression Level MEASURE N MEAN STD.DEV. Before 20 89.50 12.97 After 20 63.00 10.26 t=2.312 df = 19 p = .031 tcrit 2.093 correlated O homogenous O independent ○ between-subjects
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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