Hardie plank siding is a premium brand of cement board siding (also known as fiber cement board siding) produced by the James Hardie Company.ardie plank can be purchased with a wood-grain look, a plain smooth look or a stucco type finish. Hardie plank also comes in simulated cedar shingle planks.
activity duration. Period (hours, days, weeks) required to complete an activity. Activities with zero duration are called milestones.
The independent variable in this observation is socioeconomic status. Definition of Activities According to Bronfenbrenner, a molar activity is defined as, â an ongoing behavior processing a momentum of its own and perceived as having meaning or intent by the participants in the settingâ (1979, p. 45).