Mindfulness exercises in elementary science curriculum

The files include data of 460 students from 4th and 5th grade classes. The experimental group engaged in mindfulness activities within the framework of 10 science lessons, while in the control group science lessons were taught as usual. Data was collected at 3 time points: before, after and after a six-month follow-up period.

Data is coded in long format.

The variables measured were:
MAAS_rev = Mindful Attention Awareness Scale, reversed scale
PALS-MG = Patterns of Adaptive Learning Scales (PALS): Mastery goal orientation
PALS-AP = Patterns of Adaptive Learning Scales (PALS): Performance-Approach Goal Orientation
PALS-AV = Patterns of Adaptive Learning Scales (PALS), Performance-Avoid Goal Orientation
SRQ-I = Self-Regulation Questionnaire-Academic (SRQ-A): Intrinsic motivation
SRQ-E = Self-Regulation Questionnaire-Academic (SRQ-A): Extrinsic motivation
MOT = Science Motivation Questionnaire
GR = Science grades
KN = Science Knowledge Test (in separate file. This variable was measured only at post and follow-up time points)

Group: 1 = experimental; 2 = control
Gender: 1 = boys; 2 = girls
Siblings = Number of siblings
Order = Order of birth between siblings
Parents = Parents marital status: 1 = married; 2 = divorced; 3 = single parent; 4 = other
Time: 1 = pre; 2= post; 3 = follow-up