<p>The manuscript offers a timely, new and significant contribution to the Interamerican psychology.. However, some points should be reviewed:</p>
<p><strong>Abstract and Key Words</strong></p>
<ol>
<li>Repeat “smoth transition” (abstract) (highlighted in yellow).</li>
<li>Sort the keywords according to their relationships.</li>
</ol>
<p><strong>Introduction</strong></p>
<ol start="3">
<li>See APA standards for titles (in the entire article).</li>
<li>Repeat the concept. Review the writing (p. 2, line 4) (highlighted in yellow).</li>
<li>There are too many typing errors (highlighted examples in yellow).</li>
<li>The paragraphs are too long, please shorten them.</li>
<li>The references in the introduction are outdated. Please add some post to 2014.</li>
<li>Add the hypotheses at the final part of the introduction.</li>
<li>A native translator has to review the entire article.</li>
</ol>
<p><strong>Method</strong></p>
<ol start="10">
<li>Review the writing of the design.</li>
<li>Please add children's gender proportion.</li>
<li>There were inclusion and exclusion criteria?</li>
<li>It is not necessary to include the subtitle "Groups". This content can be included in participants.</li>
<li>Separate in paragraphs the different measures used.</li>
<li>There was loss of subjects in the post-intervention measure? Please clarify it.</li>
<li>With what continuity was the collaborative work carried out in the classrooms? (“Collaborative work in classroom”).</li>
<li>What statistical package was used?</li>
</ol>
<p><strong>Results</strong></p>
<ol start="18">
<li>See APA standards for table headings.</li>
<li>View redaction (highlighted in yellow).</li>
<li>It is not necessary to put the statistics in the content of the explanation, since they are expressed in the table. It is redundant.</li>
<li>Add confidence intervals and ranges for descriptive statistics.</li>
<li>Please review the way to report the Mann-Whitney U in the results. Add Cohen's d.</li>
<li>If the study has three open questions with their respective analysis in the section of results, then the methodology used is mixed (quantitative and qualitative).</li>
</ol>
<p><strong>Discussion</strong></p>
<ol start="24">
<li>Add the main objectives of the investigation at the beginning.</li>
<li>The discussion must be ordered: a) objectives, b) main results, c) explain all the results, d) interpret them, e) limitations, f) future directions.</li>
</ol>
<p><strong>References</strong></p>
<ol start="26">
<li>Put “References”</li>
<li>Remove the word “list”.</li>
<li>The references must follow the APA standards in its sixth edition. In some references lack the volume number, the range of pages, the years are repeated or the corresponding words are not italicized. Check please (highlighted examples in yellow).</li>
</ol>