Dr Franz Sets Up an Experimental Study to Investigate How

question 50

Multiple Choice

Dr. Franz sets up an experimental study to investigate how self-esteem is affected by feedback from teachers. During the study, teachers of Grade 3 administer a short quiz where each child earns the same score (5 out of a possible 10 points) . All of the children are then given feedback. Half the children are told that this is a very good score whereas the rest are told that it is an average score.
-In this study,what is the dependent variable?

• A) the type of feedback the child receives
• B) the child's score on the quiz
• C) the age of the children who take part in the study
• D) the child's level of self-esteem after the quiz is returned

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Definitions:

Population Proportion

A measure that represents the fraction or percentage of individuals in a population who meet a specific criterion.

Sample Size

The quantity of data points or observations gathered during an experiment or research study.

Confidence Interval

An interval of values, sourced from statistical sampling, that is likely to maintain the value of a covert population parameter.

Population Variance

The variance calculated from the entire population of data points, providing a measure of how much the data points in the population differ from the mean.