Moderator analyses were performed using a random effects model that focused on the three
main areas
of scaffold characteristics (including the mechanism, functions, delivery forms,
mode, and number
of scaffolds; how to promote self - regulated learning by scaffolds); demographics
of the selected studies (including sample groups, sample size, learning domain, research settings, and types
of computer - based learning environments); and research methodological features (including research methods, types
of research design, types
of organization for
treatment, and duration
of treatment).
Several developed countries will press for phasing out a set
of hydrofluorocarbons (HFCs), the
main refrigerants used in refrigeration, air - conditioning, cold - chains, fire extinguishers, defence equipment and some
modes of medical
treatment.
One
of the
main reasons why couples develop serious difficulties is because one or both partners withdraw and go into the «silent
treatment»
mode due to feelings
of hurt, anger, and resentment.