Jack is taking a class on piaget, and as part of an assignment, he is "testing" some youngsters on various tasks. he gives four-year-old meg a bag of white and striped marbles. they discuss the fact that marbles are made of glass. meg counts the marbles—7 whites and 18 stripes. jack asks, "are there more striped marbles or more glass marbles? " meg answers, "there are more striped marbles." this demonstrates meg's difficulty
(a) class inclusion
(b) conservation
(c) identity
(d) transformation

Which statement best explains how maynard jackson's 1968 decision foretold his future? he was elected mayor of atlanta in 1973 he was elected governor of georgia in 1990. he started his own bond and security business he removed segregation signs form water fountains at city hall

Which of the following methods could be considered a "best practice" in terms of informing respondents how their answers to an on-line survey about personal information will be protected? respondents are informed that investigators will try to keep their participation confidential; however, confidentiality cannot be assured.respondents are informed that a research assistant will transfer all the research data to a password-protected computer that is not connected to the internet, via a usb flashdrive. the computer is located in a research team member's office.the investigator uses the informed consent process to explain her institution's method for guaranteeing absolute confidentiality of research data.the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents' ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed.the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents' ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed

When recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous years?