Table 3.
Exploratory analyses: within-group and between-group comparisons of growth rate (slopes)
Non-IS Group | IS Group | Difference between IS and Non-IS | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Outcome | Pre-test to post-test | Post-test to follow-up | Change in slopes | Overall time effect | Pre-test to post-test | Post-test to follow-up | Change in slopes | Overall time effect | Pre-test to post-test | Post-test to follow-up |
Effect size (p-value) | Effect size (p-value) | Effect size (p-value) | p-value | Effect size (p-value) | Effect size (p-value) | Effect size (p-value) | p-value | Effect size (p-value) | Effect size (p-value) | |
Primary outcomes | ||||||||||
SEI | .48 (.06) | −.33 (.17) | −.81 (.05)* | .13 | 1.19 (.00) | .05 (.78) | −1.14 (.01)* | <.001* | .76 (.04)* | .43 (.24) |
IJA | .66 (.10) | −.34 (.42) | −1.00 (.05)* | .13 | 1.59 (.00) | .34 (.41) | −1.25 (.02)* | <.001* | .93 (.11) | .68 (.25) |
SPA | .56 (.19) | −.18 (.68) | −.74 (.25) | .40 | 1.39 (.00) | .22 (.62) | −1.18 (.07) | .01* | .83 (.17) | .41 (.52) |
Secondary outcomes | ||||||||||
EL T | .89 (.02)* | −.10 (.73) | −.99 (.02)* | .01* | 1.49 (.00)* | −.01 (.97) | −1.50 (<.001)* | .00* | .60 (.13) | .09 (.83) |
VR T | .20 (.44) | −.23 (.37) | −.43 (.25) | .51 | 1.04 (.00)* | −.34 (.20) | −1.37 (<.001)* | .00* | .84 (.02)* | −.10 (.78) |