identify if there appears to be a positive, negative, or curvilinear relationship:

As IQ scores increase, achievement scores increase. ___________________________

2. Higher scores on an anxiety scale correspond to lower scores on a measure of belonging. ___________________________

3. As number of hours studied decreases, grades on a final exam also decrease. ___________________________

4. As teacher praise increases, students' efficacy increases to a certain point, after which as praise increases, students' efficacy drops slightly. ___________________________