For the question regarding duration of symptoms, exact answers were given for 25/152 (16.4%) symptoms, and estimated answers for 81/152 (53.3%); however for the question relating to when the symptoms were presented the figures were exact answers 45/152 (29.6%) and estimated answers 30/152 (19.7%).
One parent, Anna Huang, said her son, Mack, a fourth grader, "felt a lack of clarity" when his teacher insisted that he estimate answers, rather than compute them precisely.
We should be making sure all pupils can add, subtract, multiply and divide, use a calculator properly and estimate answers to avoid the need of a calculator and/or check its output.
For example, three items on the pre-test, shown in Table 1, were focused on using rounding to estimate answers to decimal multiplication and division calculations: Table 1 Pre-test items Circle the number that is nearest in size to the answer (do not work out the answer) 2.9 × 7 0.002 0.02 0.2 2 20 200 2000 0.29 × 7.1 0.00200002 0.2 2 20 200 2000 59 ÷ 190 0.003 0.03 0.3 3 30 300 3000.
Teach a dyslexic child how to estimate answers to their math problems.
Severe losses over the first four years of operations raise the question, "How long, on the average, do corporate new ventures take to improve performance?" I estimated an answer to this question by extracting from the PIMS data base two groups of businesses in more advanced stages of development.
A separate analysis was conducted for each of the five outcome variables, and the main effect of trial arm (telehealth v usual care) was estimated to answer the principal research question.
Common to several information processing models of how respondents answer survey questions are four basic stages: comprehension of the question; retrieval of information from autobiographical memory; use of heuristic and decision processes to estimate an answer; and response formulation [ 17].
For example, some scientists have estimated that answering just a single question of risk for a single organism -- whether a type of biotech corn harms the monarch butterfly -- would cost $2 million to $3 million, more than the Agriculture Department typically grants each year for the study of environmental risk.
Using ICC, the HRQoL level of a given subject can be estimated after answering any number of items.
Analyses also control for caloric intake, which is estimated from answers to a questionnaire on frequency of consumption of about 30 food-tracer items.
