Researchers often wish to develop scales. that respond to a single characteristic. â Determine what features are most important when classifying a group of items. â Generate \factor scores representing values of the underlying constructs for use in other analyses.
Report Abuse. yes a square is always a parallelogram because it has to pairs of parallel lines and that's the rules to a parallelogram but a parallelogram is not always a square because to be a square it has to have two pairs of parallel lines and all the angles have to be 90 degrees. Lily R Â· 6 years ago. Thumbs up.
A parallelogram has 2 pairs of parallel sides. End of story. It can be proved that opposite sides are equal length and diagonals bisect, but thatâs another story. A rhombus is a special case of a parallelogram with all sides being equal. It can be proved the diagonals intersect at right angles. But itâs not part of the definition. Squares and rectangles are rhombi and parallelograms, respectively.