An investigator had hypothesized that one\'s store of general knowledge is relat

Question

An investigator had hypothesized that one's store of general knowledge is related to our abiltity to acquire new information. The investigator randomly selected 15 participants form the first, second, and third grades. He then had each group of participants learn the same list of nonsense syllables by the method of serial anticipation and recorded the number of trials required to learn them to a criterion of one errorless trial. The results revealed that the first graders required an average of 25 trials to learn the list of nonsense sylables while the second graders required 20 trials and the third graders required 15 trials. The investigator concluded that the increase in general information provided by our educational system enhances a person's ability to acquire new information.

Explanation / Answer

Number of trials could decrease because of maturity, not that oureducation system enhances a persons ability to acquire newinformation. Number of trials could decrease because education system couldteach how to memorize nonsense. Number of trials could decrease because education has taughtstudents to please ones in charge. Small sample size could introduce error.

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