A test's validity is high if giving the same test a second time results in similar scores

Field research refers to descriptive or experimental research that is conducted on agricultural issues

Indicate whether this statement is true or false.

An example of a sensorimotor operation, as described by Case (1985), is ___

a. a child tasting a sour lemon and then splitting it out b. a child drawing a picture of a tiger that he or she saw at the zoo yesterday c. a child solving a math problem such as 4 + ? = 7 d. a child coordinating two representations of a number line