12-year-old Simone recently completed an intelligence test and had a score of 60. What level of intellectual disability does Simone have?

Which of the following siblings would have the most similar IQ scores?

a. children and their adopted siblings b. siblings who have the same biological parents c. fraternal twins d. identical twins

When it comes to attachment ____________________________

a. children develop an internal working model of what to expect about their mother's availability and supportiveness in times of need based on how sensitive and responsive she was over the first year of life b. Ainsworth's early research found that the majority of toddlers had insecure-resistant attachments to their mothers c. studies involving multiple cultures have found that insecure-avoidant attachment is the most common classification d. studies using the Strange Situation have found no differences in attachment status among children from the United States and Japan