To Examine Whether or Not Children's Cognitive Development Occurs in Stages

question 69

Multiple Choice

To examine whether or not children's cognitive development occurs in stages, Professor Blue observes four different groups of children. Each child's performance on cognitive tasks is observed two or more times over a period of two years. Which of the following groups is MOST likely to lead Professor Blue to the conclusion that development occurs continuously?

• A)Group A, whose performance on a single task is observed twice each year
• B) Group B, whose performance on multiple tasks is observed twice each year
• C) Group C, whose performance on a single task is observed every week
• D) Group D, whose performance on multiple tasks is observed every week

---

Definitions:

Point Estimate

A statistical measure that provides the best single value estimate of a population parameter.

Mean Amount

The average value of a set of numbers, calculated by adding all the values and dividing by the count of numbers.

Sample Mean

Sample mean refers to the average of all the data points in a sample taken from a population, serving as an estimate of the population mean.

Point Estimate

A single value that serves as the best guess or best estimate of a population parameter based on sample data.