Each student in Mr. Cassidy's class can earn small toys. Each time they engage in good behavior Mr. Cassidy gives them stars on a chart that can be saved up until enough are earned to trade in for the toys. Mr. Cassidy is using which of the following systems?
a. contingency contract system
b. group consequence system
c. no-lose method
d. token reinforcement system
Question 2
Which one of the following teachers will probably be least effective in improving his or her students' sense of self?
a. Mr. Anderson teaches his students strategies for solving math word problems.
b. Ms. Berry tells her students how wonderful they are.
c. Mr. Carrera encourages his students to improve their creative writing skills.
d. Ms. D'Amato helps her students to throw a softball farther than they could before.
Comparison of small subunit (SSU) rRNA gene sequences from three animals and a protist.
Risk-taking behavior by young males.
An Estimate of the Time of Global Peak Conventional Oil Production
Median Annual Earnings of Full-Time Workers, by Gender, 1960–2010
Toys and Gender Labels
Physics: Power, Energy and Time