Lazy eye usually does not cause any symptoms. Sometimes parents suspect vision problems because a child squints, looks cross-eyed, or holds his or her head in awkward positions to see things. In many cases, the problem is detected by a routine vision screening exam, either before or after a child starts school.
The procedures included in definitions should be repeatable by anyone or at least by peers. An example of operational definition of the term weight of an object, operationalized to a degree, would be the following: weight is the numbers that appear when that object is placed on a weighing scale.
Rating Newest Oldest. Best Answer: An operational definition is a very specific definition used in an experiment, to ensure that all of the researchers collecting data are watching for the same thing.Say you are doing an experiment on altruism where you pretend to trip down some stairs or something and to see if people help you.ating Newest Oldest. Best Answer: An operational definition is a very specific definition used in an experiment, to ensure that all of the researchers collecting data are watching for the same thing.