If Jose wants to know if the scale at the grocery store he uses to weigh his tomatoes has alternate-form reliability he could
a) take them home and weigh them again in an hour.
b) weigh the tomatoes on two other scales in the produce department and see if they weighed the same.
c. ask another shopper what she thinks the tomatoes weigh.
d. take the tomatoes and put them on-and-off the scale several times and see if they weigh the same each time.
b
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What should a psychologist test to determine whether a given child is in the concrete-operations stage or the formal-operations stage?
a. whether the child reaches around a barrier to retrieve a hidden toy b. whether the child understands that an object maintains its weight and volume after its shape changes c. whether the child can answer abstract and hypothetical questions d. whether the child can distinguish between appearance and reality
The estimated rate of miscarriage for embryos that have implanted naturally is 1 in _____
5 10 3 2