As a baby, Simone was able to recognize by sight a screwdriver that she had previously only touched but had not seen. This ability is referred to as

In the United States, attachment patterns show variability by ethnicity and socioeconomic status

Indicate whether the statement is true or false

In a(n) ________ design, the relative contributions of genes and environment to variation in traits are teased apart by comparing identical and fraternal twins

Fill in the blank with correct word.